22221220122010 has 32 divisors (see below), whose sum is σ = 49228549195392. Its totient is φ = 7032649884480.

The previous prime is 22221220121833. The next prime is 22221220122047. The reversal of 22221220122010 is 1022102212222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12209460696 + ... + 12209462515.

It is an arithmetic number, because the mean of its divisors is an integer number (1538392162356).

Almost surely, 2^{22221220122010} is an apocalyptic number.

22221220122010 is an abundant number, since it is smaller than the sum of its proper divisors (27007329073382).

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

22221220122010 is a wasteful number, since it uses less digits than its factorization.

22221220122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24418923238.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22221220122010 its reverse (1022102212222), we get a palindrome (23243322334232).

The spelling of 22221220122010 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, ten".