111220020012201 has 32 divisors (see below), whose sum is σ = 157599924894720. Its totient is φ = 69646430280000.

The previous prime is 111220020012169. The next prime is 111220020012247. The reversal of 111220020012201 is 102210020022111.

It is not a de Polignac number, because 111220020012201 - 2⁵ = 111220020012169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111220020012251) 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, 58284165 + ... + 60162146.

It is an arithmetic number, because the mean of its divisors is an integer number (4924997652960).

Almost surely, 2^{111220020012201} is an apocalyptic number.

It is an amenable number.

111220020012201 is a deficient number, since it is larger than the sum of its proper divisors (46379904882519).

111220020012201 is a wasteful number, since it uses less digits than its factorization.

111220020012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118446637.

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

Adding to 111220020012201 its reverse (102210020022111), we get a palindrome (213430040034312).

The spelling of 111220020012201 in words is "one hundred eleven trillion, two hundred twenty billion, twenty million, twelve thousand, two hundred one".