111200002021 has 8 divisors (see below), whose sum is σ = 111502036800. Its totient is φ = 110898372480.

The previous prime is 111200002007. The next prime is 111200002061. The reversal of 111200002021 is 120200002111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111200002021 - 2⁵ = 111200001989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200001989 and 111200002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200002061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452341 + ... + 653461.

It is an arithmetic number, because the mean of its divisors is an integer number (13937754600).

Almost surely, 2^111200002021 is an apocalyptic number.

It is an amenable number.

111200002021 is a deficient number, since it is larger than the sum of its proper divisors (302034779).

111200002021 is an equidigital number, since it uses as much as digits as its factorization.

111200002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202619.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111200002021 its reverse (120200002111), we get a palindrome (231400004132).

The spelling of 111200002021 in words is "one hundred eleven billion, two hundred million, two thousand, twenty-one".