22201212021102 has 24 divisors (see below), whose sum is σ = 50194044570384. Its totient is φ = 7078647310944.

The previous prime is 22201212021059. The next prime is 22201212021133. The reversal of 22201212021102 is 20112021210222.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26813057583 + ... + 26813058410.

It is an arithmetic number, because the mean of its divisors is an integer number (2091418523766).

Almost surely, 2^{22201212021102} is an apocalyptic number.

22201212021102 is an abundant number, since it is smaller than the sum of its proper divisors (27992832549282).

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

22201212021102 is a wasteful number, since it uses less digits than its factorization.

22201212021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53626116024 (or 53626116021 counting only the distinct ones).

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

Adding to 22201212021102 its reverse (20112021210222), we get a palindrome (42313233231324).

The spelling of 22201212021102 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, twenty-one thousand, one hundred two".