111200110011021 has 32 divisors (see below), whose sum is σ = 149271646908928. Its totient is φ = 73632739245120.

The previous prime is 111200110010999. The next prime is 111200110011071. The reversal of 111200110011021 is 120110011002111.

It is not a de Polignac number, because 111200110011021 - 2¹³ = 111200110002829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200110010988 and 111200110011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200110011071) 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, 2454346650 + ... + 2454391956.

It is an arithmetic number, because the mean of its divisors is an integer number (4664738965904).

Almost surely, 2^{111200110011021} is an apocalyptic number.

It is an amenable number.

111200110011021 is a deficient number, since it is larger than the sum of its proper divisors (38071536897907).

111200110011021 is a wasteful number, since it uses less digits than its factorization.

111200110011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54841.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111200110011021 its reverse (120110011002111), we get a palindrome (231310121013132).

The spelling of 111200110011021 in words is "one hundred eleven trillion, two hundred billion, one hundred ten million, eleven thousand, twenty-one".