2121103101012 has 36 divisors (see below), whose sum is σ = 5757279847200. Its totient is φ = 606029457264.

The previous prime is 2121103100957. The next prime is 2121103101041. The reversal of 2121103101012 is 2101013011212.

It is a junction number, because it is equal to n+sod(n) for n = 2121103100982 and 2121103101000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1803658512 + ... + 1803659687.

It is an arithmetic number, because the mean of its divisors is an integer number (159924440200).

Almost surely, 2^{2121103101012} is an apocalyptic number.

It is an amenable number.

2121103101012 is an abundant number, since it is smaller than the sum of its proper divisors (3636176746188).

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

2121103101012 is a wasteful number, since it uses less digits than its factorization.

2121103101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607318220 (or 3607318211 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2121103101012 its reverse (2101013011212), we get a palindrome (4222116112224).

The spelling of 2121103101012 in words is "two trillion, one hundred twenty-one billion, one hundred three million, one hundred one thousand, twelve".