2101022220112 has 40 divisors (see below), whose sum is σ = 4285742639360. Its totient is φ = 995043813120.

The previous prime is 2101022220107. The next prime is 2101022220151. The reversal of 2101022220112 is 2110222201012.

It is a happy number.

It is a super-3 number, since 3×2101022220112³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1102273 + ... + 2327455.

It is an arithmetic number, because the mean of its divisors is an integer number (107143565984).

Almost surely, 2^{2101022220112} is an apocalyptic number.

It is an amenable number.

2101022220112 is an abundant number, since it is smaller than the sum of its proper divisors (2184720419248).

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

2101022220112 is a wasteful number, since it uses less digits than its factorization.

2101022220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230851 (or 1230845 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101022220112 its reverse (2110222201012), we get a palindrome (4211244421124).

The spelling of 2101022220112 in words is "two trillion, one hundred one billion, twenty-two million, two hundred twenty thousand, one hundred twelve".