2121132202100 has 36 divisors (see below), whose sum is σ = 4635970987200. Its totient is φ = 842348897760.

The previous prime is 2121132202093. The next prime is 2121132202103. The reversal of 2121132202100 is 12022311212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121132202103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76285820 + ... + 76313619.

Almost surely, 2^{2121132202100} is an apocalyptic number.

2121132202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121132202100 is an abundant number, since it is smaller than the sum of its proper divisors (2514838785100).

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

2121132202100 is a wasteful number, since it uses less digits than its factorization.

2121132202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152599592 (or 152599585 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121132202100 its reverse (12022311212), we get a palindrome (2133154513312).

It can be divided in two parts, 2121132 and 202100, that added together give a palindrome (2323232).

The spelling of 2121132202100 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, two hundred two thousand, one hundred".