210203210113 has 12 divisors (see below), whose sum is σ = 227912624940. Its totient is φ = 193781293056.

The previous prime is 210203210101. The next prime is 210203210123. The reversal of 210203210113 is 311012302012.

It can be written as a sum of positive squares in 6 ways, for example, as 44970715969 + 165232494144 = 212063^2 + 406488^2 .

It is not a de Polignac number, because 210203210113 - 2²⁵ = 210169655681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210203210123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678756 + ... + 938677.

It is an arithmetic number, because the mean of its divisors is an integer number (18992718745).

Almost surely, 2^210203210113 is an apocalyptic number.

It is an amenable number.

210203210113 is a deficient number, since it is larger than the sum of its proper divisors (17709414827).

210203210113 is a wasteful number, since it uses less digits than its factorization.

210203210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618228 (or 1618215 counting only the distinct ones).

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

Adding to 210203210113 its reverse (311012302012), we get a palindrome (521215512125).

The spelling of 210203210113 in words is "two hundred ten billion, two hundred three million, two hundred ten thousand, one hundred thirteen".