2113221331110 has 64 divisors (see below), whose sum is σ = 5214746757312. Its totient is φ = 547669817856.

The previous prime is 2113221331079. The next prime is 2113221331139. The reversal of 2113221331110 is 111331223112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111937 + ... + 2058876.

It is an arithmetic number, because the mean of its divisors is an integer number (81480418083).

Almost surely, 2^{2113221331110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113221331110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607373378656).

2113221331110 is an abundant number, since it is smaller than the sum of its proper divisors (3101525426202).

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

2113221331110 is a wasteful number, since it uses less digits than its factorization.

2113221331110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171737.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2113221331110 its reverse (111331223112), we get a palindrome (2224552554222).

The spelling of 2113221331110 in words is "two trillion, one hundred thirteen billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred ten".