213120111303 has 24 divisors (see below), whose sum is σ = 335856652560. Its totient is φ = 129151772160.

The previous prime is 213120111283. The next prime is 213120111307. The reversal of 213120111303 is 303111021312.

It is not a de Polignac number, because 213120111303 - 2⁸ = 213120111047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120111307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043725 + ... + 1231097.

It is an arithmetic number, because the mean of its divisors is an integer number (13994027190).

Almost surely, 2^213120111303 is an apocalyptic number.

213120111303 is a deficient number, since it is larger than the sum of its proper divisors (122736541257).

213120111303 is a wasteful number, since it uses less digits than its factorization.

213120111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198879 (or 198876 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213120111303 its reverse (303111021312), we get a palindrome (516231132615).

It can be divided in two parts, 213120 and 111303, that added together give a palindrome (324423).

The spelling of 213120111303 in words is "two hundred thirteen billion, one hundred twenty million, one hundred eleven thousand, three hundred three".