213220311100 has 18 divisors (see below), whose sum is σ = 462688075304. Its totient is φ = 85288124400.

The previous prime is 213220311053. The next prime is 213220311119. The reversal of 213220311100 is 1113022312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1066101456 + ... + 1066101655.

Almost surely, 2^213220311100 is an apocalyptic number.

213220311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213220311100 is an abundant number, since it is smaller than the sum of its proper divisors (249467764204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213220311100 is a wasteful number, since it uses less digits than its factorization.

213220311100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132203125 (or 2132203118 counting only the distinct ones).

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

Adding to 213220311100 its reverse (1113022312), we get a palindrome (214333333412).

The spelling of 213220311100 in words is "two hundred thirteen billion, two hundred twenty million, three hundred eleven thousand, one hundred".