2121022002130 has 8 divisors (see below), whose sum is σ = 3817839603852. Its totient is φ = 848408800848.

The previous prime is 2121022002119. The next prime is 2121022002157. The reversal of 2121022002130 is 312002201212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2079557232489 + 41464769641 = 1442067^2 + 203629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106051100097 + ... + 106051100116.

Almost surely, 2^{2121022002130} is an apocalyptic number.

2121022002130 is a deficient number, since it is larger than the sum of its proper divisors (1696817601722).

2121022002130 is a wasteful number, since it uses less digits than its factorization.

2121022002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212102200220.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2121022002130 its reverse (312002201212), we get a palindrome (2433024203342).

The spelling of 2121022002130 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two thousand, one hundred thirty".