22221011100201 has 32 divisors (see below), whose sum is σ = 30692058743808. Its totient is φ = 14289450485760.

The previous prime is 22221011100191. The next prime is 22221011100229. The reversal of 22221011100201 is 10200111012222.

It is not a de Polignac number, because 22221011100201 - 2⁹ = 22221011099689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22221011108201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4103005 + ... + 7827941.

It is an arithmetic number, because the mean of its divisors is an integer number (959126835744).

Almost surely, 2^{22221011100201} is an apocalyptic number.

It is an amenable number.

22221011100201 is a deficient number, since it is larger than the sum of its proper divisors (8471047643607).

22221011100201 is a wasteful number, since it uses less digits than its factorization.

22221011100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725441.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22221011100201 its reverse (10200111012222), we get a palindrome (32421122112423).

The spelling of 22221011100201 in words is "twenty-two trillion, two hundred twenty-one billion, eleven million, one hundred thousand, two hundred one".