200110210112121 has 32 divisors (see below), whose sum is σ = 270858799411200. Its totient is φ = 131388221986560.

The previous prime is 200110210112077. The next prime is 200110210112161. The reversal of 200110210112121 is 121211012011002.

It is a happy number.

It is not a de Polignac number, because 200110210112121 - 2⁷ = 200110210111993 is a prime.

It is a super-2 number, since 2×200110210112121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200110210112121.

It is not an unprimeable number, because it can be changed into a prime (200110210112161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4458860560 + ... + 4458905438.

It is an arithmetic number, because the mean of its divisors is an integer number (8464337481600).

Almost surely, 2^{200110210112121} is an apocalyptic number.

It is an amenable number.

200110210112121 is a deficient number, since it is larger than the sum of its proper divisors (70748589299079).

200110210112121 is a wasteful number, since it uses less digits than its factorization.

200110210112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66709.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200110210112121 its reverse (121211012011002), we get a palindrome (321321222123123).

The spelling of 200110210112121 in words is "two hundred trillion, one hundred ten billion, two hundred ten million, one hundred twelve thousand, one hundred twenty-one".