11100102210021 has 24 divisors (see below), whose sum is σ = 16707591880672. Its totient is φ = 6545514808800.

The previous prime is 11100102209983. The next prime is 11100102210049. The reversal of 11100102210021 is 12001220100111.

It is not a de Polignac number, because 11100102210021 - 2²⁵ = 11100068655589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100102209979 and 11100102210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100102210221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413213515 + ... + 413240376.

Almost surely, 2^{11100102210021} is an apocalyptic number.

11100102210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100102210021 is a deficient number, since it is larger than the sum of its proper divisors (5607489670651).

11100102210021 is a wasteful number, since it uses less digits than its factorization.

11100102210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826453953 (or 826453942 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11100102210021 its reverse (12001220100111), we get a palindrome (23101322310132).

The spelling of 11100102210021 in words is "eleven trillion, one hundred billion, one hundred two million, two hundred ten thousand, twenty-one".