212021113003 has 64 divisors (see below), whose sum is σ = 261691637760. Its totient is φ = 167888552832.

The previous prime is 212021112997. The next prime is 212021113021. The reversal of 212021113003 is 300311120212.

It is not a de Polignac number, because 212021113003 - 2²⁹ = 211484242091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021116003) 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, 112956501 + ... + 112958377.

It is an arithmetic number, because the mean of its divisors is an integer number (4088931840).

Almost surely, 2^212021113003 is an apocalyptic number.

212021113003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212021113003 is a deficient number, since it is larger than the sum of its proper divisors (49670524757).

212021113003 is a wasteful number, since it uses less digits than its factorization.

212021113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212021113003 its reverse (300311120212), we get a palindrome (512332233215).

The spelling of 212021113003 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, three".