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211121102201 = 1494197974243
BaseRepresentation
bin1100010010011111001…
…1000101110101111001
3202011221101121012201112
43010213303011311321
511424334000232301
6240553201530105
721152530521332
oct3044763056571
9664841535645
10211121102201
11815993a3959
1234b00043935
1316ba7368319
14a30b0b7289
1557599859bb
hex3127cc5d79

211121102201 has 16 divisors (see below), whose sum is σ = 213362856000. Its totient is φ = 208891962048.

The previous prime is 211121102167. The next prime is 211121102207. The reversal of 211121102201 is 102201121112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211121102201 is a prime.

It is a super-3 number, since 3×2111211022013 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211121102207) 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, 49755386 + ... + 49759628.

It is an arithmetic number, because the mean of its divisors is an integer number (13335178500).

Almost surely, 2211121102201 is an apocalyptic number.

It is an amenable number.

211121102201 is a deficient number, since it is larger than the sum of its proper divisors (2241753799).

211121102201 is a wasteful number, since it uses less digits than its factorization.

211121102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211121102201 its reverse (102201121112), we get a palindrome (313322223313).

The spelling of 211121102201 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred two thousand, two hundred one".

Divisors: 1 149 419 797 4243 62431 118753 333943 632207 1777817 3381671 49757507 264894733 503868979 1416920149 211121102201