22211211001210 has 128 divisors (see below), whose sum is σ = 50534854801920. Its totient is φ = 6827753472000.

The previous prime is 22211211001159. The next prime is 22211211001223. The reversal of 22211211001210 is 1210011211222.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19431246 + ... + 20542534.

It is an arithmetic number, because the mean of its divisors is an integer number (394803553140).

Almost surely, 2^{22211211001210} is an apocalyptic number.

22211211001210 is an abundant number, since it is smaller than the sum of its proper divisors (28323643800710).

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

22211211001210 is a wasteful number, since it uses less digits than its factorization.

22211211001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111672.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22211211001210 its reverse (1210011211222), we get a palindrome (23421222212432).

The spelling of 22211211001210 in words is "twenty-two trillion, two hundred eleven billion, two hundred eleven million, one thousand, two hundred ten".