21112022112010 has 64 divisors (see below), whose sum is σ = 40585441526784. Its totient is φ = 7888627436800.

The previous prime is 21112022111989. The next prime is 21112022112107. The reversal of 21112022112010 is 1021122021112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2865180 + ... + 7101640.

It is an arithmetic number, because the mean of its divisors is an integer number (634147523856).

Almost surely, 2^{21112022112010} is an apocalyptic number.

21112022112010 is a deficient number, since it is larger than the sum of its proper divisors (19473419414774).

21112022112010 is a wasteful number, since it uses less digits than its factorization.

21112022112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236999.

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

Adding to 21112022112010 its reverse (1021122021112), we get a palindrome (22133144133122).

The spelling of 21112022112010 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, one hundred twelve thousand, ten".