213113211100 has 36 divisors (see below), whose sum is σ = 462481559008. Its totient is φ = 85240512000.

The previous prime is 213113211083. The next prime is 213113211149. The reversal of 213113211100 is 1112311312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2138380 + ... + 2235820.

Almost surely, 2^213113211100 is an apocalyptic number.

213113211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213113211100 is an abundant number, since it is smaller than the sum of its proper divisors (249368347908).

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

213113211100 is a wasteful number, since it uses less digits than its factorization.

213113211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119326 (or 119319 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 213113211100 its reverse (1112311312), we get a palindrome (214225522412).

The spelling of 213113211100 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred eleven thousand, one hundred".