201220022120112 has 50 divisors (see below), whose sum is σ = 582389122667748. Its totient is φ = 67073340706272.

The previous prime is 201220022120077. The next prime is 201220022120129. The reversal of 201220022120112 is 211021220022102.

It is a happy number.

201220022120112 is a `hidden beast` number, since 20 + 1 + 220 + 0 + 221 + 201 + 1 + 2 = 666.

201220022120112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9 ways as a sum of consecutive naturals, for example, 77631180078 + ... + 77631182669.

Almost surely, 2^{201220022120112} is an apocalyptic number.

It is an amenable number.

201220022120112 is an abundant number, since it is smaller than the sum of its proper divisors (381169100547636).

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

201220022120112 is a wasteful number, since it uses less digits than its factorization.

201220022120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155262362767 (or 155262362752 counting only the distinct ones).

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

Adding to 201220022120112 its reverse (211021220022102), we get a palindrome (412241242142214).

The spelling of 201220022120112 in words is "two hundred one trillion, two hundred twenty billion, twenty-two million, one hundred twenty thousand, one hundred twelve".