2121134502 has 64 divisors (see below), whose sum is σ = 4532209920. Its totient is φ = 659902464.

The previous prime is 2121134453. The next prime is 2121134563. The reversal of 2121134502 is 2054311212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4787893 + ... + 4788335.

It is an arithmetic number, because the mean of its divisors is an integer number (70815780).

Almost surely, 2^2121134502 is an apocalyptic number.

2121134502 is an abundant number, since it is smaller than the sum of its proper divisors (2411075418).

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

2121134502 is a wasteful number, since it uses less digits than its factorization.

2121134502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2121134502 is about 46055.7759895542. The cubic root of 2121134502 is about 1284.8607704934.

Adding to 2121134502 its reverse (2054311212), we get a palindrome (4175445714).

The spelling of 2121134502 in words is "two billion, one hundred twenty-one million, one hundred thirty-four thousand, five hundred two".