22112100121210 has 64 divisors (see below), whose sum is σ = 44210323822464. Its totient is φ = 7894898668800.

The previous prime is 22112100121187. The next prime is 22112100121211. The reversal of 22112100121210 is 1212100121122.

It is not an unprimeable number, because it can be changed into a prime (22112100121211) 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, 851092 + ... + 6704368.

It is an arithmetic number, because the mean of its divisors is an integer number (690786309726).

Almost surely, 2^{22112100121210} is an apocalyptic number.

22112100121210 is a deficient number, since it is larger than the sum of its proper divisors (22098223701254).

22112100121210 is a wasteful number, since it uses less digits than its factorization.

22112100121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853919.

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

Adding to 22112100121210 its reverse (1212100121122), we get a palindrome (23324200242332).

The spelling of 22112100121210 in words is "twenty-two trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, two hundred ten".