202221120121001 has 8 divisors (see below), whose sum is σ = 202292297200224. Its totient is φ = 202149953152480.

The previous prime is 202221120120967. The next prime is 202221120121003. The reversal of 202221120121001 is 100121021122202.

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-202221120121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221120121003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37592741 + ... + 42633981.

It is an arithmetic number, because the mean of its divisors is an integer number (25286537150028).

Almost surely, 2^{202221120121001} is an apocalyptic number.

It is an amenable number.

202221120121001 is a deficient number, since it is larger than the sum of its proper divisors (71177079223).

202221120121001 is a wasteful number, since it uses less digits than its factorization.

202221120121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055351.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202221120121001 its reverse (100121021122202), we get a palindrome (302342141243203).

The spelling of 202221120121001 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty million, one hundred twenty-one thousand, one".