111200022101 has 64 divisors (see below), whose sum is σ = 134120448000. Its totient is φ = 90239546880.

The previous prime is 111200021953. The next prime is 111200022113. The reversal of 111200022101 is 101220002111.

It is not a de Polignac number, because 111200022101 - 2¹⁴ = 111200005717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200022151) 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, 465271940 + ... + 465272178.

It is an arithmetic number, because the mean of its divisors is an integer number (2095632000).

Almost surely, 2^111200022101 is an apocalyptic number.

It is an amenable number.

111200022101 is a deficient number, since it is larger than the sum of its proper divisors (22920425899).

111200022101 is a wasteful number, since it uses less digits than its factorization.

111200022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111200022101 its reverse (101220002111), we get a palindrome (212420024212).

The spelling of 111200022101 in words is "one hundred eleven billion, two hundred million, twenty-two thousand, one hundred one".