202110113 has 4 divisors (see below), whose sum is σ = 202253568. Its totient is φ = 201966660.

The previous prime is 202110107. The next prime is 202110119. The reversal of 202110113 is 311011202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (202110107) and next prime (202110119).

It is a cyclic number.

It is not a de Polignac number, because 202110113 - 2⁸ = 202109857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202110094 and 202110103.

It is not an unprimeable number, because it can be changed into a prime (202110119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69593 + ... + 72438.

It is an arithmetic number, because the mean of its divisors is an integer number (50563392).

Almost surely, 2^202110113 is an apocalyptic number.

It is an amenable number.

202110113 is a deficient number, since it is larger than the sum of its proper divisors (143455).

202110113 is a wasteful number, since it uses less digits than its factorization.

202110113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143454.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 202110113 is about 14216.5436376076. The cubic root of 202110113 is about 586.8530260153.

Adding to 202110113 its reverse (311011202), we get a palindrome (513121315).

The spelling of 202110113 in words is "two hundred two million, one hundred ten thousand, one hundred thirteen".