221302022020197 has 8 divisors (see below), whose sum is σ = 305244168303840. Its totient is φ = 142447278541680.

The previous prime is 221302022020169. The next prime is 221302022020199. The reversal of 221302022020197 is 791020220203122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221302022020197 - 2¹⁴ = 221302022003813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221302022020199) 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, 1271850701179 + ... + 1271850701352.

It is an arithmetic number, because the mean of its divisors is an integer number (38155521037980).

Almost surely, 2^{221302022020197} is an apocalyptic number.

It is an amenable number.

221302022020197 is a deficient number, since it is larger than the sum of its proper divisors (83942146283643).

221302022020197 is a wasteful number, since it uses less digits than its factorization.

221302022020197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543701402563.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 221302022020197 in words is "two hundred twenty-one trillion, three hundred two billion, twenty-two million, twenty thousand, one hundred ninety-seven".