221110122201 has 8 divisors (see below), whose sum is σ = 294821037984. Its totient is φ = 147402977280.

The previous prime is 221110122187. The next prime is 221110122203. The reversal of 221110122201 is 102221011122.

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

It is not a de Polignac number, because 221110122201 - 2⁶ = 221110122137 is a prime.

It is a super-2 number, since 2×221110122201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221110122203) 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, 802935 + ... + 1042556.

It is an arithmetic number, because the mean of its divisors is an integer number (36852629748).

Almost surely, 2^221110122201 is an apocalyptic number.

It is an amenable number.

221110122201 is a deficient number, since it is larger than the sum of its proper divisors (73710915783).

221110122201 is a wasteful number, since it uses less digits than its factorization.

221110122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885431.

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

Adding to 221110122201 its reverse (102221011122), we get a palindrome (323331133323).

The spelling of 221110122201 in words is "two hundred twenty-one billion, one hundred ten million, one hundred twenty-two thousand, two hundred one".