2101122210012 has 24 divisors (see below), whose sum is σ = 5602992560256. Its totient is φ = 600320631408.

The previous prime is 2101122210007. The next prime is 2101122210043. The reversal of 2101122210012 is 2100122211012.

It is a super-2 number, since 2×2101122210012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101122209973 and 2101122210000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12506679738 + ... + 12506679905.

It is an arithmetic number, because the mean of its divisors is an integer number (233458023344).

Almost surely, 2^{2101122210012} is an apocalyptic number.

It is an amenable number.

2101122210012 is an abundant number, since it is smaller than the sum of its proper divisors (3501870350244).

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

2101122210012 is a wasteful number, since it uses less digits than its factorization.

2101122210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25013359657 (or 25013359655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2101122210012 its reverse (2100122211012), we get a palindrome (4201244421024).

The spelling of 2101122210012 in words is "two trillion, one hundred one billion, one hundred twenty-two million, two hundred ten thousand, twelve".