111102220233221 has 16 divisors (see below), whose sum is σ = 127684202279040. Its totient is φ = 94697804635200.

The previous prime is 111102220233197. The next prime is 111102220233281. The reversal of 111102220233221 is 122332022201111.

It is a cyclic number.

It is not a de Polignac number, because 111102220233221 - 2³⁰ = 111101146491397 is a prime.

It is a super-2 number, since 2×111102220233221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102220233281) 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, 290380775 + ... + 290763131.

It is an arithmetic number, because the mean of its divisors is an integer number (7980262642440).

Almost surely, 2^{111102220233221} is an apocalyptic number.

It is an amenable number.

111102220233221 is a deficient number, since it is larger than the sum of its proper divisors (16581982045819).

111102220233221 is a wasteful number, since it uses less digits than its factorization.

111102220233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614444.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111102220233221 its reverse (122332022201111), we get a palindrome (233434242434332).

The spelling of 111102220233221 in words is "one hundred eleven trillion, one hundred two billion, two hundred twenty million, two hundred thirty-three thousand, two hundred twenty-one".