22104121011 has 32 divisors (see below), whose sum is σ = 34344414720. Its totient is φ = 12383065344.

The previous prime is 22104121003. The next prime is 22104121027. The reversal of 22104121011 is 11012140122.

It is not a de Polignac number, because 22104121011 - 2³ = 22104121003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22104121031) 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, 1588000 + ... + 1601858.

It is an arithmetic number, because the mean of its divisors is an integer number (1073262960).

Almost surely, 2^22104121011 is an apocalyptic number.

22104121011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22104121011 is a deficient number, since it is larger than the sum of its proper divisors (12240293709).

22104121011 is a wasteful number, since it uses less digits than its factorization.

22104121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15355.

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

Adding to 22104121011 its reverse (11012140122), we get a palindrome (33116261133).

The spelling of 22104121011 in words is "twenty-two billion, one hundred four million, one hundred twenty-one thousand, eleven".