2202121202112 has 84 divisors (see below), whose sum is σ = 6797519983800. Its totient is φ = 677575752192.

The previous prime is 2202121201937. The next prime is 2202121202129. The reversal of 2202121202112 is 2112021212022.

It is a happy number.

2202121202112 is a `hidden beast` number, since 220 + 21 + 212 + 0 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147035862 + ... + 147050837.

It is an arithmetic number, because the mean of its divisors is an integer number (80922856950).

Almost surely, 2^{2202121202112} is an apocalyptic number.

It is an amenable number.

2202121202112 is an abundant number, since it is smaller than the sum of its proper divisors (4595398781688).

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

2202121202112 is a wasteful number, since it uses less digits than its factorization.

2202121202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294086730 (or 294086717 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2202121202112 its reverse (2112021212022), we get a palindrome (4314142414134).

The spelling of 2202121202112 in words is "two trillion, two hundred two billion, one hundred twenty-one million, two hundred two thousand, one hundred twelve".