201120222202221 has 32 divisors (see below), whose sum is σ = 324498113971200. Its totient is φ = 108164957319936.

The previous prime is 201120222202201. The next prime is 201120222202223. The reversal of 201120222202221 is 122202222021102.

It is not a de Polignac number, because 201120222202221 - 2⁷ = 201120222202093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120222202223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76134270 + ... + 78731616.

It is an arithmetic number, because the mean of its divisors is an integer number (10140566061600).

Almost surely, 2^{201120222202221} is an apocalyptic number.

201120222202221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201120222202221 is a deficient number, since it is larger than the sum of its proper divisors (123377891768979).

201120222202221 is a wasteful number, since it uses less digits than its factorization.

201120222202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814273.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201120222202221 its reverse (122202222021102), we get a palindrome (323322444223323).

The spelling of 201120222202221 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".