200021111110 has 32 divisors (see below), whose sum is σ = 360470531232. Its totient is φ = 79912396800.

The previous prime is 200021111099. The next prime is 200021111113. The reversal of 200021111110 is 11111120002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021111113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46699029 + ... + 46703311.

It is an arithmetic number, because the mean of its divisors is an integer number (11264704101).

Almost surely, 2^200021111110 is an apocalyptic number.

200021111110 is a deficient number, since it is larger than the sum of its proper divisors (160449420122).

200021111110 is a wasteful number, since it uses less digits than its factorization.

200021111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8808.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200021111110 its reverse (11111120002), we get a palindrome (211132231112).

The spelling of 200021111110 in words is "two hundred billion, twenty-one million, one hundred eleven thousand, one hundred ten".