2121131202 has 16 divisors (see below), whose sum is σ = 4266786240. Its totient is φ = 702956432.

The previous prime is 2121131189. The next prime is 2121131239. The reversal of 2121131202 is 2021311212.

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, 1020702 + ... + 1022777.

It is an arithmetic number, because the mean of its divisors is an integer number (266674140).

Almost surely, 2^2121131202 is an apocalyptic number.

2121131202 is an abundant number, since it is smaller than the sum of its proper divisors (2145655038).

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

2121131202 is a wasteful number, since it uses less digits than its factorization.

2121131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043657.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2121131202 is about 46055.7401634150. The cubic root of 2121131202 is about 1284.8601041766.

Adding to 2121131202 its reverse (2021311212), we get a palindrome (4142442414).

The spelling of 2121131202 in words is "two billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred two".