2121150344100 has 72 divisors (see below), whose sum is σ = 6193499632320. Its totient is φ = 560450724480.

The previous prime is 2121150344063. The next prime is 2121150344113. The reversal of 2121150344100 is 14430511212.

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, 32400792 + ... + 32466191.

Almost surely, 2^{2121150344100} is an apocalyptic number.

2121150344100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121150344100 is an abundant number, since it is smaller than the sum of its proper divisors (4072349288220).

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

2121150344100 is a wasteful number, since it uses less digits than its factorization.

2121150344100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64867109 (or 64867102 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2121150344100 its reverse (14430511212), we get a palindrome (2135580855312).

The spelling of 2121150344100 in words is "two trillion, one hundred twenty-one billion, one hundred fifty million, three hundred forty-four thousand, one hundred".