22102121020210 has 48 divisors (see below), whose sum is σ = 50486329140480. Its totient is φ = 6888972783840.

The previous prime is 22102121020193. The next prime is 22102121020223. The reversal of 22102121020210 is 1202012120122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2050284130 + ... + 2050294909.

It is an arithmetic number, because the mean of its divisors is an integer number (1051798523760).

Almost surely, 2^{22102121020210} is an apocalyptic number.

22102121020210 is an abundant number, since it is smaller than the sum of its proper divisors (28384208120270).

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

22102121020210 is a wasteful number, since it uses less digits than its factorization.

22102121020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100579071 (or 4100579064 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22102121020210 its reverse (1202012120122), we get a palindrome (23304133140332).

The spelling of 22102121020210 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, twenty thousand, two hundred ten".