2113314021 has 48 divisors (see below), whose sum is σ = 3763783296. Its totient is φ = 1112704128.

The previous prime is 2113314017. The next prime is 2113314023. The reversal of 2113314021 is 1204133112.

It is not a de Polignac number, because 2113314021 - 2² = 2113314017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113313985 and 2113314003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113314023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 524611 + ... + 528623.

It is an arithmetic number, because the mean of its divisors is an integer number (78412152).

Almost surely, 2^2113314021 is an apocalyptic number.

2113314021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2113314021 is a deficient number, since it is larger than the sum of its proper divisors (1650469275).

2113314021 is a wasteful number, since it uses less digits than its factorization.

2113314021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2113314021 is about 45970.7953052805. The cubic root of 2113314021 is about 1283.2797606391.

Adding to 2113314021 its reverse (1204133112), we get a palindrome (3317447133).

The spelling of 2113314021 in words is "two billion, one hundred thirteen million, three hundred fourteen thousand, twenty-one".