2121363210 has 32 divisors (see below), whose sum is σ = 5161020480. Its totient is φ = 557947008.

The previous prime is 2121363197. The next prime is 2121363269. The reversal of 2121363210 is 123631212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482140 + ... + 486519.

It is an arithmetic number, because the mean of its divisors is an integer number (161281890).

Almost surely, 2^2121363210 is an apocalyptic number.

2121363210 is an abundant number, since it is smaller than the sum of its proper divisors (3039657270).

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

2121363210 is a wasteful number, since it uses less digits than its factorization.

2121363210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968742.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2121363210 is about 46058.2588685243. The cubic root of 2121363210 is about 1284.9069481994.

Adding to 2121363210 its reverse (123631212), we get a palindrome (2244994422).

The spelling of 2121363210 in words is "two billion, one hundred twenty-one million, three hundred sixty-three thousand, two hundred ten".