21014133100 has 18 divisors (see below), whose sum is σ = 45600669044. Its totient is φ = 8405653200.

The previous prime is 21014133089. The next prime is 21014133137. The reversal of 21014133100 is 133141012.

It is a super-2 number, since 2×21014133100² (a number of 21 digits) contains 22 as substring.

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, 105070566 + ... + 105070765.

Almost surely, 2^21014133100 is an apocalyptic number.

21014133100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21014133100 is an abundant number, since it is smaller than the sum of its proper divisors (24586535944).

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

21014133100 is a wasteful number, since it uses less digits than its factorization.

21014133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210141345 (or 210141338 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21014133100 its reverse (133141012), we get a palindrome (21147274112).

The spelling of 21014133100 in words is "twenty-one billion, fourteen million, one hundred thirty-three thousand, one hundred".