2101120122012 has 24 divisors (see below), whose sum is σ = 5060762445312. Its totient is φ = 677780684400.

The previous prime is 2101120121927. The next prime is 2101120122047. The reversal of 2101120122012 is 2102210211012.

It is a junction number, because it is equal to n+sod(n) for n = 2101120121982 and 2101120122000.

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, 2824085814 + ... + 2824086557.

It is an arithmetic number, because the mean of its divisors is an integer number (210865101888).

Almost surely, 2^{2101120122012} is an apocalyptic number.

It is an amenable number.

2101120122012 is an abundant number, since it is smaller than the sum of its proper divisors (2959642323300).

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

2101120122012 is a wasteful number, since it uses less digits than its factorization.

2101120122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648172409 (or 5648172407 counting only the distinct ones).

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

Adding to 2101120122012 its reverse (2102210211012), we get a palindrome (4203330333024).

The spelling of 2101120122012 in words is "two trillion, one hundred one billion, one hundred twenty million, one hundred twenty-two thousand, twelve".