201121002220022 has 32 divisors (see below), whose sum is σ = 317801292652800. Its totient is φ = 95340387225600.

The previous prime is 201121002219971. The next prime is 201121002220183. The reversal of 201121002220022 is 220022200121102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166591979 + ... + 167794902.

It is an arithmetic number, because the mean of its divisors is an integer number (9931290395400).

Almost surely, 2^{201121002220022} is an apocalyptic number.

201121002220022 is a deficient number, since it is larger than the sum of its proper divisors (116680290432778).

201121002220022 is a wasteful number, since it uses less digits than its factorization.

201121002220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334387112.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201121002220022 its reverse (220022200121102), we get a palindrome (421143202341124).

The spelling of 201121002220022 in words is "two hundred one trillion, one hundred twenty-one billion, two million, two hundred twenty thousand, twenty-two".