22212112020102 has 48 divisors (see below), whose sum is σ = 50854367715840. Its totient is φ = 6992475540336.

The previous prime is 22212112020071. The next prime is 22212112020107. The reversal of 22212112020102 is 20102021121222.

It is a happy number.

22212112020102 is a `hidden beast` number, since 222 + 121 + 120 + 201 + 0 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212112020107) 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, 339539728 + ... + 339605139.

It is an arithmetic number, because the mean of its divisors is an integer number (1059465994080).

Almost surely, 2^{22212112020102} is an apocalyptic number.

22212112020102 is an abundant number, since it is smaller than the sum of its proper divisors (28642255695738).

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

22212112020102 is a wasteful number, since it uses less digits than its factorization.

22212112020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679144977 (or 679144974 counting only the distinct ones).

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

Adding to 22212112020102 its reverse (20102021121222), we get a palindrome (42314133141324).

It can be divided in two parts, 222121120 and 20102, that added together give a palindrome (222141222).

The spelling of 22212112020102 in words is "twenty-two trillion, two hundred twelve billion, one hundred twelve million, twenty thousand, one hundred two".