202201221020223 has 4 divisors (see below), whose sum is σ = 269601628026968. Its totient is φ = 134800814013480.

The previous prime is 202201221020153. The next prime is 202201221020291. The reversal of 202201221020223 is 322020122102202.

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

It is not a de Polignac number, because 202201221020223 - 2⁹ = 202201221019711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202201221020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201221000223) 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, 33700203503368 + ... + 33700203503373.

It is an arithmetic number, because the mean of its divisors is an integer number (67400407006742).

Almost surely, 2^{202201221020223} is an apocalyptic number.

202201221020223 is a deficient number, since it is larger than the sum of its proper divisors (67400407006745).

202201221020223 is an equidigital number, since it uses as much as digits as its factorization.

202201221020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67400407006744.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202201221020223 its reverse (322020122102202), we get a palindrome (524221343122425).

The spelling of 202201221020223 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, twenty thousand, two hundred twenty-three".