100020200111 has 64 divisors (see below), whose sum is σ = 119424896640. Its totient is φ = 82923110400.

The previous prime is 100020200107. The next prime is 100020200131. The reversal of 100020200111 is 111002020001.

It is not a de Polignac number, because 100020200111 - 2² = 100020200107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020200131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69797051 + ... + 69798483.

It is an arithmetic number, because the mean of its divisors is an integer number (1866014010).

Almost surely, 2^100020200111 is an apocalyptic number.

100020200111 is a deficient number, since it is larger than the sum of its proper divisors (19404696529).

100020200111 is a wasteful number, since it uses less digits than its factorization.

100020200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100020200111 its reverse (111002020001), we get a palindrome (211022220112).

The spelling of 100020200111 in words is "one hundred billion, twenty million, two hundred thousand, one hundred eleven".