110212200021 has 32 divisors (see below), whose sum is σ = 183452203008. Its totient is φ = 57177368640.

The previous prime is 110212199983. The next prime is 110212200023. The reversal of 110212200021 is 120002212011.

It is a de Polignac number, because none of the positive numbers 2^k-110212200021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212200023) 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, 140265 + ... + 489998.

It is an arithmetic number, because the mean of its divisors is an integer number (5732881344).

Almost surely, 2^110212200021 is an apocalyptic number.

110212200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110212200021 is a deficient number, since it is larger than the sum of its proper divisors (73240002987).

110212200021 is a wasteful number, since it uses less digits than its factorization.

110212200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631041.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110212200021 its reverse (120002212011), we get a palindrome (230214412032).

The spelling of 110212200021 in words is "one hundred ten billion, two hundred twelve million, two hundred thousand, twenty-one".