201121002201222 has 24 divisors (see below), whose sum is σ = 441012318083064. Its totient is φ = 66232619198304.

The previous prime is 201121002201221. The next prime is 201121002201263. The reversal of 201121002201222 is 222102200121102.

It is a happy number.

201121002201222 is a `hidden beast` number, since 2 + 0 + 11 + 210 + 0 + 220 + 1 + 222 = 666.

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 = 201121002201195 and 201121002201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121002201221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67309570863 + ... + 67309573850.

It is an arithmetic number, because the mean of its divisors is an integer number (18375513253461).

Almost surely, 2^{201121002201222} is an apocalyptic number.

201121002201222 is an abundant number, since it is smaller than the sum of its proper divisors (239891315881842).

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

201121002201222 is a wasteful number, since it uses less digits than its factorization.

201121002201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134619144804 (or 134619144801 counting only the distinct ones).

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

Adding to 201121002201222 its reverse (222102200121102), we get a palindrome (423223202322324).

The spelling of 201121002201222 in words is "two hundred one trillion, one hundred twenty-one billion, two million, two hundred one thousand, two hundred twenty-two".