2189111202 has 24 divisors (see below), whose sum is σ = 4744319580. Its totient is φ = 729512160.

The previous prime is 2189111189. The next prime is 2189111203. The reversal of 2189111202 is 2021119812.

2189111202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2168671761 + 20439441 = 46569^2 + 4521^2 .

It is not an unprimeable number, because it can be changed into a prime (2189111203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65824 + ... + 93332.

Almost surely, 2^2189111202 is an apocalyptic number.

2189111202 is an abundant number, since it is smaller than the sum of its proper divisors (2555208378).

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

2189111202 is a wasteful number, since it uses less digits than its factorization.

2189111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31938 (or 31935 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 2189111202 is about 46787.9386380721. The cubic root of 2189111202 is about 1298.4421579844.

The spelling of 2189111202 in words is "two billion, one hundred eighty-nine million, one hundred eleven thousand, two hundred two".