202201121221223 has 4 divisors (see below), whose sum is σ = 202224505192080. Its totient is φ = 202177737250368.

The previous prime is 202201121221207. The next prime is 202201121221241. The reversal of 202201121221223 is 322122121102202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202201121221223 - 2⁴ = 202201121221207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201121223223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11691972458 + ... + 11691989751.

It is an arithmetic number, because the mean of its divisors is an integer number (50556126298020).

Almost surely, 2^{202201121221223} is an apocalyptic number.

202201121221223 is a deficient number, since it is larger than the sum of its proper divisors (23383970857).

202201121221223 is an equidigital number, since it uses as much as digits as its factorization.

202201121221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23383970856.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 202201121221223 its reverse (322122121102202), we get a palindrome (524323242323425).

The spelling of 202201121221223 in words is "two hundred two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-three".