111100021210201 has 12 divisors (see below), whose sum is σ = 117311985027072. Its totient is φ = 105201631747224.

The previous prime is 111100021210177. The next prime is 111100021210237. The reversal of 111100021210201 is 102012120001111.

It is a happy number.

It is not a de Polignac number, because 111100021210201 - 2²³ = 111100012821593 is a prime.

It is a super-2 number, since 2×111100021210201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111100021210501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73844761 + ... + 75334246.

It is an arithmetic number, because the mean of its divisors is an integer number (9775998752256).

Almost surely, 2^{111100021210201} is an apocalyptic number.

It is an amenable number.

111100021210201 is a deficient number, since it is larger than the sum of its proper divisors (6211963816871).

111100021210201 is a wasteful number, since it uses less digits than its factorization.

111100021210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149181108 (or 149181089 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111100021210201 its reverse (102012120001111), we get a palindrome (213112141211312).

The spelling of 111100021210201 in words is "one hundred eleven trillion, one hundred billion, twenty-one million, two hundred ten thousand, two hundred one".