2101210120112 has 40 divisors (see below), whose sum is σ = 4285692599904. Its totient is φ = 996033403904.

The previous prime is 2101210120111. The next prime is 2101210120157. The reversal of 2101210120112 is 2110210121012.

It is a super-2 number, since 2×2101210120112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101210120111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25223063 + ... + 25306230.

Almost surely, 2^{2101210120112} is an apocalyptic number.

It is an amenable number.

2101210120112 is an abundant number, since it is smaller than the sum of its proper divisors (2184482479792).

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

2101210120112 is a wasteful number, since it uses less digits than its factorization.

2101210120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50529437 (or 50529431 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101210120112 its reverse (2110210121012), we get a palindrome (4211420241124).

The spelling of 2101210120112 in words is "two trillion, one hundred one billion, two hundred ten million, one hundred twenty thousand, one hundred twelve".