2102213132 has 24 divisors (see below), whose sum is σ = 4029600960. Its totient is φ = 955162880.

The previous prime is 2102213123. The next prime is 2102213167. The reversal of 2102213132 is 2313122012.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2102213132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531044 + ... + 534987.

It is an arithmetic number, because the mean of its divisors is an integer number (167900040).

Almost surely, 2^2102213132 is an apocalyptic number.

It is an amenable number.

2102213132 is a deficient number, since it is larger than the sum of its proper divisors (1927387828).

2102213132 is a wasteful number, since it uses less digits than its factorization.

2102213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066081 (or 1066079 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2102213132 is about 45849.8978406714. The cubic root of 2102213132 is about 1281.0288627210.

Adding to 2102213132 its reverse (2313122012), we get a palindrome (4415335144).

The spelling of 2102213132 in words is "two billion, one hundred two million, two hundred thirteen thousand, one hundred thirty-two".