2110121221012 has 36 divisors (see below), whose sum is σ = 4333618153620. Its totient is φ = 896334668544.

The previous prime is 2110121220959. The next prime is 2110121221069. The reversal of 2110121221012 is 2101221210112.

It can be written as a sum of positive squares in 2 ways, for example, as 221816508676 + 1888304712336 = 470974^2 + 1374156^2 .

It is a super-2 number, since 2×2110121221012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47614687 + ... + 47658982.

It is an arithmetic number, because the mean of its divisors is an integer number (120378282045).

Almost surely, 2^{2110121221012} is an apocalyptic number.

It is an amenable number.

2110121221012 is an abundant number, since it is smaller than the sum of its proper divisors (2223496932608).

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

2110121221012 is a wasteful number, since it uses less digits than its factorization.

2110121221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95273800 (or 95273791 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2110121221012 its reverse (2101221210112), we get a palindrome (4211342431124).

The spelling of 2110121221012 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, twelve".