111000002112021 has 16 divisors (see below), whose sum is σ = 161462058024960. Its totient is φ = 67269599595120.

The previous prime is 111000002111953. The next prime is 111000002112049. The reversal of 111000002112021 is 120211200000111.

It is not a de Polignac number, because 111000002112021 - 2³¹ = 110997854628373 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111000002111988 and 111000002112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000007112021) 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, 77503591 + ... + 78922788.

It is an arithmetic number, because the mean of its divisors is an integer number (10091378626560).

Almost surely, 2^{111000002112021} is an apocalyptic number.

111000002112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111000002112021 is a deficient number, since it is larger than the sum of its proper divisors (50462055912939).

111000002112021 is a wasteful number, since it uses less digits than its factorization.

111000002112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156447896.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111000002112021 its reverse (120211200000111), we get a palindrome (231211202112132).

The spelling of 111000002112021 in words is "one hundred eleven trillion, two million, one hundred twelve thousand, twenty-one".