202201121221193 has 4 divisors (see below), whose sum is σ = 202201507799568. Its totient is φ = 202200734642820.

The previous prime is 202201121221111. The next prime is 202201121221207. The reversal of 202201121221193 is 391122121102202.

202201121221193 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 202201121221193 - 2²² = 202201117026889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201121221493) 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, 192503543 + ... + 193551068.

It is an arithmetic number, because the mean of its divisors is an integer number (50550376949892).

Almost surely, 2^{202201121221193} is an apocalyptic number.

It is an amenable number.

202201121221193 is a deficient number, since it is larger than the sum of its proper divisors (386578375).

202201121221193 is an equidigital number, since it uses as much as digits as its factorization.

202201121221193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386578374.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 202201121221193 its reverse (391122121102202), we get a palindrome (593323242323395).

The spelling of 202201121221193 in words is "two hundred two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred ninety-three".