2101020112212 has 48 divisors (see below), whose sum is σ = 5614224967680. Its totient is φ = 599058817632.

The previous prime is 2101020112211. The next prime is 2101020112231. The reversal of 2101020112212 is 2122110201012.

It is a junction number, because it is equal to n+sod(n) for n = 2101020112191 and 2101020112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101020112211) 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, 25638912 + ... + 25720727.

It is an arithmetic number, because the mean of its divisors is an integer number (116963020160).

Almost surely, 2^{2101020112212} is an apocalyptic number.

It is an amenable number.

2101020112212 is an abundant number, since it is smaller than the sum of its proper divisors (3513204855468).

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

2101020112212 is a wasteful number, since it uses less digits than its factorization.

2101020112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51360140 (or 51360138 counting only the distinct ones).

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

Adding to 2101020112212 its reverse (2122110201012), we get a palindrome (4223130313224).

The spelling of 2101020112212 in words is "two trillion, one hundred one billion, twenty million, one hundred twelve thousand, two hundred twelve".