21122110003100 has 18 divisors (see below), whose sum is σ = 45834978706944. Its totient is φ = 8448844001200.

The previous prime is 21122110003063. The next prime is 21122110003133. The reversal of 21122110003100 is 130001122112.

It is a super-2 number, since 2×21122110003100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105610549916 + ... + 105610550115.

Almost surely, 2^{21122110003100} is an apocalyptic number.

21122110003100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21122110003100 is an abundant number, since it is smaller than the sum of its proper divisors (24712868703844).

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

21122110003100 is a wasteful number, since it uses less digits than its factorization.

21122110003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211221100045 (or 211221100038 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21122110003100 its reverse (130001122112), we get a palindrome (21252111125212).

The spelling of 21122110003100 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred ten million, three thousand, one hundred".