221110120201 has 16 divisors (see below), whose sum is σ = 236384184960. Its totient is φ = 206309220480.

The previous prime is 221110120181. The next prime is 221110120219. The reversal of 221110120201 is 102021011122.

It is a cyclic number.

It is not a de Polignac number, because 221110120201 - 2⁷ = 221110120073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110120241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9823306 + ... + 9845788.

It is an arithmetic number, because the mean of its divisors is an integer number (14774011560).

Almost surely, 2^221110120201 is an apocalyptic number.

It is an amenable number.

221110120201 is a deficient number, since it is larger than the sum of its proper divisors (15274064759).

221110120201 is a wasteful number, since it uses less digits than its factorization.

221110120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32976.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221110120201 its reverse (102021011122), we get a palindrome (323131131323).

The spelling of 221110120201 in words is "two hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, two hundred one".