220011122202201 has 64 divisors (see below), whose sum is σ = 369376283566080. Its totient is φ = 128255653008000.

The previous prime is 220011122202197. The next prime is 220011122202203. The reversal of 220011122202201 is 102202221110022.

It is a happy number.

220011122202201 is a `hidden beast` number, since 2 + 200 + 11 + 12 + 220 + 220 + 1 = 666.

It is not a de Polignac number, because 220011122202201 - 2² = 220011122202197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220011122202203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126373185 + ... + 128102318.

It is an arithmetic number, because the mean of its divisors is an integer number (5771504430720).

Almost surely, 2^{220011122202201} is an apocalyptic number.

It is an amenable number.

220011122202201 is a deficient number, since it is larger than the sum of its proper divisors (149365161363879).

220011122202201 is a wasteful number, since it uses less digits than its factorization.

220011122202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254475635 (or 254475629 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220011122202201 its reverse (102202221110022), we get a palindrome (322213343312223).

The spelling of 220011122202201 in words is "two hundred twenty trillion, eleven billion, one hundred twenty-two million, two hundred two thousand, two hundred one".