102001121111022 has 48 divisors (see below), whose sum is σ = 237635153159040. Its totient is φ = 29103090497712.

The previous prime is 102001121110991. The next prime is 102001121111023. The reversal of 102001121111022 is 220111121100201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102001121110992 and 102001121111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001121111023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238398772 + ... + 238826247.

It is an arithmetic number, because the mean of its divisors is an integer number (4950732357480).

Almost surely, 2^{102001121111022} is an apocalyptic number.

102001121111022 is an abundant number, since it is smaller than the sum of its proper divisors (135634032048018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001121111022 is a wasteful number, since it uses less digits than its factorization.

102001121111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477225765 (or 477225758 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102001121111022 its reverse (220111121100201), we get a palindrome (322112242211223).

The spelling of 102001121111022 in words is "one hundred two trillion, one billion, one hundred twenty-one million, one hundred eleven thousand, twenty-two".