2121010411312 has 20 divisors (see below), whose sum is σ = 4425569800960. Its totient is φ = 978927882048.

The previous prime is 2121010411301. The next prime is 2121010411319. The reversal of 2121010411312 is 2131140101212.

It is a super-2 number, since 2×2121010411312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2121010411312.

It is not an unprimeable number, because it can be changed into a prime (2121010411319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5098582512 + ... + 5098582927.

It is an arithmetic number, because the mean of its divisors is an integer number (221278490048).

Almost surely, 2^{2121010411312} is an apocalyptic number.

It is an amenable number.

2121010411312 is an abundant number, since it is smaller than the sum of its proper divisors (2304559389648).

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

2121010411312 is a wasteful number, since it uses less digits than its factorization.

2121010411312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197165460 (or 10197165454 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2121010411312 its reverse (2131140101212), we get a palindrome (4252150512524).

The spelling of 2121010411312 in words is "two trillion, one hundred twenty-one billion, ten million, four hundred eleven thousand, three hundred twelve".