102201221220201 has 16 divisors (see below), whose sum is σ = 151410928093120. Its totient is φ = 68133377318400.

The previous prime is 102201221220193. The next prime is 102201221220251. The reversal of 102201221220201 is 102022122102201.

It is a happy number.

102201221220201 is a `hidden beast` number, since 1 + 0 + 2 + 20 + 1 + 221 + 220 + 201 = 666.

It is not a de Polignac number, because 102201221220201 - 2³ = 102201221220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201221220251) 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, 18955480 + ... + 23742633.

It is an arithmetic number, because the mean of its divisors is an integer number (9463183005820).

Almost surely, 2^{102201221220201} is an apocalyptic number.

It is an amenable number.

102201221220201 is a deficient number, since it is larger than the sum of its proper divisors (49209706872919).

102201221220201 is an equidigital number, since it uses as much as digits as its factorization.

102201221220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42786773 (or 42786767 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102201221220201 its reverse (102022122102201), we get a palindrome (204223343322402).

The spelling of 102201221220201 in words is "one hundred two trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty thousand, two hundred one".