213220120113 has 144 divisors (see below), whose sum is σ = 427918702848. Its totient is φ = 99478368000.

The previous prime is 213220120097. The next prime is 213220120129. The reversal of 213220120113 is 311021022312.

213220120113 is a `hidden beast` number, since 213 + 220 + 120 + 113 = 666.

It is an interprime number because it is at equal distance from previous prime (213220120097) and next prime (213220120129).

It is not a de Polignac number, because 213220120113 - 2⁴ = 213220120097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213220120133) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3637588 + ... + 3695738.

Almost surely, 2^213220120113 is an apocalyptic number.

It is an amenable number.

213220120113 is an abundant number, since it is smaller than the sum of its proper divisors (214698582735).

213220120113 is a wasteful number, since it uses less digits than its factorization.

213220120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58236 (or 58222 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213220120113 its reverse (311021022312), we get a palindrome (524241142425).

It can be divided in two parts, 213220 and 120113, that added together give a palindrome (333333).

The spelling of 213220120113 in words is "two hundred thirteen billion, two hundred twenty million, one hundred twenty thousand, one hundred thirteen".