202201121221201 has 4 divisors (see below), whose sum is σ = 206903472877552. Its totient is φ = 197498769564852.

The previous prime is 202201121221111. The next prime is 202201121221207. The reversal of 202201121221201 is 102122121102202.

202201121221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202201121221201 - 2⁴⁵ = 167016749132369 is a prime.

It is a super-2 number, since 2×202201121221201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201121221207) 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, 2351175828111 + ... + 2351175828196.

It is an arithmetic number, because the mean of its divisors is an integer number (51725868219388).

Almost surely, 2^{202201121221201} is an apocalyptic number.

It is an amenable number.

202201121221201 is a deficient number, since it is larger than the sum of its proper divisors (4702351656351).

202201121221201 is an equidigital number, since it uses as much as digits as its factorization.

202201121221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702351656350.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202201121221201 its reverse (102122121102202), we get a palindrome (304323242323403).

The spelling of 202201121221201 in words is "two hundred two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred one".