22100121211210 has 64 divisors (see below), whose sum is σ = 47443754502144. Its totient is φ = 7247131848000.

The previous prime is 22100121211159. The next prime is 22100121211247. The reversal of 22100121211210 is 1211212100122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18766285 + ... + 19909135.

It is an arithmetic number, because the mean of its divisors is an integer number (741308664096).

Almost surely, 2^{22100121211210} is an apocalyptic number.

22100121211210 is an abundant number, since it is smaller than the sum of its proper divisors (25343633290934).

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

22100121211210 is a wasteful number, since it uses less digits than its factorization.

22100121211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154899.

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

Adding to 22100121211210 its reverse (1211212100122), we get a palindrome (23311333311332).

The spelling of 22100121211210 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, two hundred eleven thousand, two hundred ten".