21313203013110 has 64 divisors (see below), whose sum is σ = 53376608309760. Its totient is φ = 5436316005120.

The previous prime is 21313203013099. The next prime is 21313203013169. The reversal of 21313203013110 is 1131030231312.

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 31 ways as a sum of consecutive naturals, for example, 44536786 + ... + 45012794.

It is an arithmetic number, because the mean of its divisors is an integer number (834009504840).

Almost surely, 2^{21313203013110} is an apocalyptic number.

21313203013110 is an abundant number, since it is smaller than the sum of its proper divisors (32063405296650).

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

21313203013110 is a wasteful number, since it uses less digits than its factorization.

21313203013110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540933.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21313203013110 its reverse (1131030231312), we get a palindrome (22444233244422).

The spelling of 21313203013110 in words is "twenty-one trillion, three hundred thirteen billion, two hundred three million, thirteen thousand, one hundred ten".