202221010111121 has 8 divisors (see below), whose sum is σ = 202307290105920. Its totient is φ = 202134746621808.

The previous prime is 202221010111093. The next prime is 202221010111123. The reversal of 202221010111121 is 121111010122202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202221010111121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202221010111121.

It is not an unprimeable number, because it can be changed into a prime (202221010111123) 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 7 ways as a sum of consecutive naturals, for example, 20413460 + ... + 28655738.

It is an arithmetic number, because the mean of its divisors is an integer number (25288411263240).

Almost surely, 2^{202221010111121} is an apocalyptic number.

It is an amenable number.

202221010111121 is a deficient number, since it is larger than the sum of its proper divisors (86279994799).

202221010111121 is an equidigital number, since it uses as much as digits as its factorization.

202221010111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252743.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202221010111121 its reverse (121111010122202), we get a palindrome (323332020233323).

The spelling of 202221010111121 in words is "two hundred two trillion, two hundred twenty-one billion, ten million, one hundred eleven thousand, one hundred twenty-one".