213310021110 has 64 divisors (see below), whose sum is σ = 514766335680. Its totient is φ = 56569282560.

The previous prime is 213310020941. The next prime is 213310021129. The reversal of 213310021110 is 11120013312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213310021110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33700426 + ... + 33706754.

It is an arithmetic number, because the mean of its divisors is an integer number (8043223995).

Almost surely, 2^213310021110 is an apocalyptic number.

213310021110 is an abundant number, since it is smaller than the sum of its proper divisors (301456314570).

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

213310021110 is a wasteful number, since it uses less digits than its factorization.

213310021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12353.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 213310021110 its reverse (11120013312), we get a palindrome (224430034422).

The spelling of 213310021110 in words is "two hundred thirteen billion, three hundred ten million, twenty-one thousand, one hundred ten".