2110121111112 has 64 divisors (see below), whose sum is σ = 6346228915200. Its totient is φ = 571160600640.

The previous prime is 2110121111101. The next prime is 2110121111113. The reversal of 2110121111112 is 2111111210112.

It is a super-2 number, since 2×2110121111112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2110121111091 and 2110121111100.

It is not an unprimeable number, because it can be changed into a prime (2110121111113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330529564 + ... + 330535947.

It is an arithmetic number, because the mean of its divisors is an integer number (99159826800).

Almost surely, 2^{2110121111112} is an apocalyptic number.

It is an amenable number.

2110121111112 is an abundant number, since it is smaller than the sum of its proper divisors (4236107804088).

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

2110121111112 is a wasteful number, since it uses less digits than its factorization.

2110121111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661065546 (or 661065542 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 2110121111112 its reverse (2111111210112), we get a palindrome (4221232321224).

The spelling of 2110121111112 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, one hundred eleven thousand, one hundred twelve".