200021012110 has 32 divisors (see below), whose sum is σ = 379032243840. Its totient is φ = 75788423712.

The previous prime is 200021012101. The next prime is 200021012123. The reversal of 200021012110 is 11210120002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664677 + ... + 1780783.

It is an arithmetic number, because the mean of its divisors is an integer number (11844757620).

Almost surely, 2^200021012110 is an apocalyptic number.

200021012110 is a deficient number, since it is larger than the sum of its proper divisors (179011231730).

200021012110 is a wasteful number, since it uses less digits than its factorization.

200021012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125200.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200021012110 its reverse (11210120002), we get a palindrome (211231132112).

The spelling of 200021012110 in words is "two hundred billion, twenty-one million, twelve thousand, one hundred ten".