201122171221068 has 48 divisors (see below), whose sum is σ = 521494797628000. Its totient is φ = 67032116357184.

The previous prime is 201122171221067. The next prime is 201122171221117. The reversal of 201122171221068 is 860122171221102.

201122171221068 is a `hidden beast` number, since 201 + 1 + 2 + 2 + 171 + 221 + 0 + 68 = 666.

It is a super-2 number, since 2×201122171221068² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (201122171221067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118701883 + ... + 120384306.

Almost surely, 2^{201122171221068} is an apocalyptic number.

It is an amenable number.

201122171221068 is an abundant number, since it is smaller than the sum of its proper divisors (320372626406932).

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

201122171221068 is a wasteful number, since it uses less digits than its factorization.

201122171221068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239093991 (or 239093983 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 201122171221068 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred seventy-one million, two hundred twenty-one thousand, sixty-eight".