22121210201010 has 64 divisors (see below), whose sum is σ = 56577911242752. Its totient is φ = 5522458141376.

The previous prime is 22121210200997. The next prime is 22121210201017. The reversal of 22121210201010 is 1010201212122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (22121210201017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341028474 + ... + 341093333.

It is an arithmetic number, because the mean of its divisors is an integer number (884029863168).

Almost surely, 2^{22121210201010} is an apocalyptic number.

22121210201010 is an abundant number, since it is smaller than the sum of its proper divisors (34456701041742).

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

22121210201010 is a wasteful number, since it uses less digits than its factorization.

22121210201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682121887.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22121210201010 its reverse (1010201212122), we get a palindrome (23131411413132).

The spelling of 22121210201010 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred ten million, two hundred one thousand, ten".