102022111221012 has 36 divisors (see below), whose sum is σ = 257944769671680. Its totient is φ = 34000045912272.

The previous prime is 102022111220933. The next prime is 102022111221031. The reversal of 102022111221012 is 210122111220201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×102022111221012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305017812 + ... + 305352107.

It is an arithmetic number, because the mean of its divisors is an integer number (7165132490880).

Almost surely, 2^{102022111221012} is an apocalyptic number.

102022111221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102022111221012 is an abundant number, since it is smaller than the sum of its proper divisors (155922658450668).

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

102022111221012 is a wasteful number, since it uses less digits than its factorization.

102022111221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610374572 (or 610374567 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102022111221012 its reverse (210122111220201), we get a palindrome (312144222441213).

The spelling of 102022111221012 in words is "one hundred two trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, twelve".