2100122110012 has 12 divisors (see below), whose sum is σ = 3697761016936. Its totient is φ = 1043618962320.

The previous prime is 2100122109991. The next prime is 2100122110043. The reversal of 2100122110012 is 2100112210012.

It is a super-2 number, since 2×2100122110012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100122109974 and 2100122110001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610522439 + ... + 1610523742.

Almost surely, 2^{2100122110012} is an apocalyptic number.

It is an amenable number.

2100122110012 is a deficient number, since it is larger than the sum of its proper divisors (1597638906924).

2100122110012 is a wasteful number, since it uses less digits than its factorization.

2100122110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221046348 (or 3221046346 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100122110012 its reverse (2100112210012), we get a palindrome (4200234320024).

The spelling of 2100122110012 in words is "two trillion, one hundred billion, one hundred twenty-two million, one hundred ten thousand, twelve".