2113021244 has 12 divisors (see below), whose sum is σ = 3731712600. Its totient is φ = 1046817648.

The previous prime is 2113021241. The next prime is 2113021249. The reversal of 2113021244 is 4421203112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113021241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422754 + ... + 2423625.

It is an arithmetic number, because the mean of its divisors is an integer number (310976050).

Almost surely, 2^2113021244 is an apocalyptic number.

It is an amenable number.

2113021244 is a deficient number, since it is larger than the sum of its proper divisors (1618691356).

2113021244 is a wasteful number, since it uses less digits than its factorization.

2113021244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846492 (or 4846490 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2113021244 is about 45967.6108145725. The cubic root of 2113021244 is about 1283.2204963515.

Adding to 2113021244 its reverse (4421203112), we get a palindrome (6534224356).

The spelling of 2113021244 in words is "two billion, one hundred thirteen million, twenty-one thousand, two hundred forty-four".