2212201022112 has 72 divisors (see below), whose sum is σ = 6326091757440. Its totient is φ = 733280768640.

The previous prime is 2212201022077. The next prime is 2212201022153. The reversal of 2212201022112 is 2112201022122.

It is a happy number.

2212201022112 is a `hidden beast` number, since 221 + 220 + 1 + 0 + 221 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

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, 21404464 + ... + 21507567.

It is an arithmetic number, because the mean of its divisors is an integer number (87862385520).

Almost surely, 2^{2212201022112} is an apocalyptic number.

It is an amenable number.

2212201022112 is an abundant number, since it is smaller than the sum of its proper divisors (4113890735328).

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

2212201022112 is a wasteful number, since it uses less digits than its factorization.

2212201022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42912226 (or 42912215 counting only the distinct ones).

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

Adding to 2212201022112 its reverse (2112201022122), we get a palindrome (4324402044234).

It can be divided in two parts, 22122010 and 22112, that added together give a palindrome (22144122).

The spelling of 2212201022112 in words is "two trillion, two hundred twelve billion, two hundred one million, twenty-two thousand, one hundred twelve".