221011010112201 has 64 divisors (see below), whose sum is σ = 311029230758400. Its totient is φ = 139410245007360.

The previous prime is 221011010112197. The next prime is 221011010112223. The reversal of 221011010112201 is 102211010110122.

It is a happy number.

It is not a de Polignac number, because 221011010112201 - 2² = 221011010112197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221011010112281) 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, 4610808031 + ... + 4610855963.

It is an arithmetic number, because the mean of its divisors is an integer number (4859831730600).

Almost surely, 2^{221011010112201} is an apocalyptic number.

It is an amenable number.

221011010112201 is a deficient number, since it is larger than the sum of its proper divisors (90018220646199).

221011010112201 is a wasteful number, since it uses less digits than its factorization.

221011010112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51266.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221011010112201 its reverse (102211010110122), we get a palindrome (323222020222323).

The spelling of 221011010112201 in words is "two hundred twenty-one trillion, eleven billion, ten million, one hundred twelve thousand, two hundred one".