2123221131300 has 72 divisors (see below), whose sum is σ = 6309218573056. Its totient is φ = 550889804160.

The previous prime is 2123221131197. The next prime is 2123221131331. The reversal of 2123221131300 is 31311223212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95629492 + ... + 95651691.

Almost surely, 2^{2123221131300} is an apocalyptic number.

2123221131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123221131300 is an abundant number, since it is smaller than the sum of its proper divisors (4185997441756).

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

2123221131300 is a wasteful number, since it uses less digits than its factorization.

2123221131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191281237 (or 191281230 counting only the distinct ones).

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

Adding to 2123221131300 its reverse (31311223212), we get a palindrome (2154532354512).

The spelling of 2123221131300 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-one million, one hundred thirty-one thousand, three hundred".