2122113204 has 18 divisors (see below), whose sum is σ = 5364230690. Its totient is φ = 707371056.

The previous prime is 2122113197. The next prime is 2122113283. The reversal of 2122113204 is 4023112212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2115080100 + 7033104 = 45990^2 + 2652^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2122113204² = 9006728901182291232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29473759 + ... + 29473830.

Almost surely, 2^2122113204 is an apocalyptic number.

It is an amenable number.

2122113204 is an abundant number, since it is smaller than the sum of its proper divisors (3242117486).

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

2122113204 is a wasteful number, since it uses less digits than its factorization.

2122113204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58947599 (or 58947594 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2122113204 is about 46066.3999461647. The cubic root of 2122113204 is about 1285.0583538227.

Adding to 2122113204 its reverse (4023112212), we get a palindrome (6145225416).

The spelling of 2122113204 in words is "two billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred four".