201012221011122 has 48 divisors (see below), whose sum is σ = 451686651054912. Its totient is φ = 66999688118640.

The previous prime is 201012221011109. The next prime is 201012221011157. The reversal of 201012221011122 is 221110122210102.

201012221011122 is a `hidden beast` number, since 201 + 0 + 122 + 210 + 11 + 122 = 666.

201012221011122 is digitally balanced in base 2 and base 4, because in such bases 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 a junction number, because it is equal to n+sod(n) for n = 201012221011095 and 201012221011104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6098529 + ... + 20957492.

It is an arithmetic number, because the mean of its divisors is an integer number (9410138563644).

Almost surely, 2^{201012221011122} is an apocalyptic number.

201012221011122 is an abundant number, since it is smaller than the sum of its proper divisors (250674430043790).

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

201012221011122 is a wasteful number, since it uses less digits than its factorization.

201012221011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27071325 (or 27071313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201012221011122 its reverse (221110122210102), we get a palindrome (422122343221224).

The spelling of 201012221011122 in words is "two hundred one trillion, twelve billion, two hundred twenty-one million, eleven thousand, one hundred twenty-two".