102221212201121 has 16 divisors (see below), whose sum is σ = 115879190380800. Its totient is φ = 89391140293248.

The previous prime is 102221212201093. The next prime is 102221212201151. The reversal of 102221212201121 is 121102212122201.

It is a cyclic number.

It is not a de Polignac number, because 102221212201121 - 2²⁶ = 102221145092257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102221212201093 and 102221212201102.

It is not an unprimeable number, because it can be changed into a prime (102221212201151) 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, 31940600 + ... + 34994918.

It is an arithmetic number, because the mean of its divisors is an integer number (7242449398800).

Almost surely, 2^{102221212201121} is an apocalyptic number.

It is an amenable number.

102221212201121 is a deficient number, since it is larger than the sum of its proper divisors (13657978179679).

102221212201121 is a wasteful number, since it uses less digits than its factorization.

102221212201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189848.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102221212201121 its reverse (121102212122201), we get a palindrome (223323424323322).

The spelling of 102221212201121 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred one thousand, one hundred twenty-one".