210000022111100 has 36 divisors (see below), whose sum is σ = 490753897828824. Its totient is φ = 77538469702080.

The previous prime is 210000022110979. The next prime is 210000022111111. The reversal of 210000022111100 is 1111220000012.

It is a super-4 number, since 4×210000022111100⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80769237974 + ... + 80769240573.

Almost surely, 2^{210000022111100} is an apocalyptic number.

210000022111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210000022111100 is an abundant number, since it is smaller than the sum of its proper divisors (280753875717724).

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

210000022111100 is a wasteful number, since it uses less digits than its factorization.

210000022111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161538478574 (or 161538478567 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210000022111100 its reverse (1111220000012), we get a palindrome (211111242111112).

The spelling of 210000022111100 in words is "two hundred ten trillion, twenty-two million, one hundred eleven thousand, one hundred".