213302121100 has 18 divisors (see below), whose sum is σ = 462865603004. Its totient is φ = 85320848400.

The previous prime is 213302121077. The next prime is 213302121107. The reversal of 213302121100 is 1121203312.

It is not an unprimeable number, because it can be changed into a prime (213302121107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1066510506 + ... + 1066510705.

Almost surely, 2^213302121100 is an apocalyptic number.

213302121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213302121100 is an abundant number, since it is smaller than the sum of its proper divisors (249563481904).

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

213302121100 is a wasteful number, since it uses less digits than its factorization.

213302121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133021225 (or 2133021218 counting only the distinct ones).

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

Adding to 213302121100 its reverse (1121203312), we get a palindrome (214423324412).

The spelling of 213302121100 in words is "two hundred thirteen billion, three hundred two million, one hundred twenty-one thousand, one hundred".