2113323313220 has 48 divisors (see below), whose sum is σ = 5087026439040. Its totient is φ = 722417923584.

The previous prime is 2113323313217. The next prime is 2113323313229. The reversal of 2113323313220 is 223133233112.

It is a super-2 number, since 2×2113323313220² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113323313220.

It is not an unprimeable number, because it can be changed into a prime (2113323313229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22349210 + ... + 22443569.

It is an arithmetic number, because the mean of its divisors is an integer number (105979717480).

Almost surely, 2^{2113323313220} is an apocalyptic number.

2113323313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113323313220 is an abundant number, since it is smaller than the sum of its proper divisors (2973703125820).

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

2113323313220 is a wasteful number, since it uses less digits than its factorization.

2113323313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44793132 (or 44793130 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2113323313220 its reverse (223133233112), we get a palindrome (2336456546332).

The spelling of 2113323313220 in words is "two trillion, one hundred thirteen billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred twenty".