221102110222101 has 32 divisors (see below), whose sum is σ = 355286030803200. Its totient is φ = 135347059330560.

The previous prime is 221102110222027. The next prime is 221102110222111. The reversal of 221102110222101 is 101222011201122.

221102110222101 is a `hidden beast` number, since 22 + 110 + 211 + 0 + 222 + 101 = 666.

221102110222101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221102110222101 - 2⁹ = 221102110221589 is a prime.

It is a super-2 number, since 2×221102110222101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102110222111) 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, 5874419521 + ... + 5874457158.

It is an arithmetic number, because the mean of its divisors is an integer number (11102688462600).

Almost surely, 2^{221102110222101} is an apocalyptic number.

It is an amenable number.

221102110222101 is a deficient number, since it is larger than the sum of its proper divisors (134183920581099).

221102110222101 is a wasteful number, since it uses less digits than its factorization.

221102110222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11748876746 (or 11748876740 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 221102110222101 its reverse (101222011201122), we get a palindrome (322324121423223).

The spelling of 221102110222101 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred ten million, two hundred twenty-two thousand, one hundred one".