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220310301012121 = 12742125031646221
BaseRepresentation
bin110010000101111011111101…
…001110110111000010011001
31001220001110101200012020002201
4302011323331032313002121
5212334030444024341441
62100321053255130201
764255615431410305
oct6205737516670231
91056043350166081
10220310301012121
116421a08a497541
1220861742073961
1395c1231552358
143c5910b100d05
151a70b9ab00c31
hexc85efd3b7099

220310301012121 has 16 divisors (see below), whose sum is σ = 222661508190208. Its totient is φ = 217969141924800.

The previous prime is 220310301012089. The next prime is 220310301012209. The reversal of 220310301012121 is 121210103013022.

It is a cyclic number.

It is not a de Polignac number, because 220310301012121 - 25 = 220310301012089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220310301018121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133004791 + ... + 134651011.

It is an arithmetic number, because the mean of its divisors is an integer number (13916344261888).

Almost surely, 2220310301012121 is an apocalyptic number.

It is an amenable number.

220310301012121 is a deficient number, since it is larger than the sum of its proper divisors (2351207178087).

220310301012121 is a wasteful number, since it uses less digits than its factorization.

220310301012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649272.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 220310301012121 its reverse (121210103013022), we get a palindrome (341520404025143).

The spelling of 220310301012121 in words is "two hundred twenty trillion, three hundred ten billion, three hundred one million, twelve thousand, one hundred twenty-one".

Divisors: 1 127 421 2503 53467 317881 1053763 1646221 133827901 209070067 693059041 4120491163 88018498207 523302377701 1734726779623 220310301012121