21122022222102 has 8 divisors (see below), whose sum is σ = 42244044444216. Its totient is φ = 7040674074032.

The previous prime is 21122022222097. The next prime is 21122022222107. The reversal of 21122022222102 is 20122222022112.

It is an interprime number because it is at equal distance from previous prime (21122022222097) and next prime (21122022222107).

It is a sphenic number, since it is the product of 3 distinct primes.

21122022222102 is an admirable number.

It is a super-2 number, since 2×21122022222102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122022222107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760168518503 + ... + 1760168518514.

It is an arithmetic number, because the mean of its divisors is an integer number (5280505555527).

Almost surely, 2^{21122022222102} is an apocalyptic number.

21122022222102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21122022222102 is a wasteful number, since it uses less digits than its factorization.

21122022222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520337037022.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 21122022222102 its reverse (20122222022112), we get a palindrome (41244244244214).

The spelling of 21122022222102 in words is "twenty-one trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one hundred two".