2130111290 has 16 divisors (see below), whose sum is σ = 3835621512. Its totient is φ = 851728704.

The previous prime is 2130111289. The next prime is 2130111293. The reversal of 2130111290 is 921110312.

It can be written as a sum of positive squares in 4 ways, for example, as 1570457641 + 559653649 = 39629^2 + 23657^2 .

It is not an unprimeable number, because it can be changed into a prime (2130111293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10109 + ... + 66048.

Almost surely, 2^2130111290 is an apocalyptic number.

2130111290 is a deficient number, since it is larger than the sum of its proper divisors (1705510222).

2130111290 is a wasteful number, since it uses less digits than its factorization.

2130111290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78961.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2130111290 is about 46153.1287130136. The cubic root of 2130111290 is about 1286.6707594555.

The spelling of 2130111290 in words is "two billion, one hundred thirty million, one hundred eleven thousand, two hundred ninety".