111002022200021 has 8 divisors (see below), whose sum is σ = 111444603228000. Its totient is φ = 110559443886000.

The previous prime is 111002022200011. The next prime is 111002022200039. The reversal of 111002022200021 is 120002220200111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111002022200021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111002022199969 and 111002022200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002022200011) 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, 136245530 + ... + 137057828.

It is an arithmetic number, because the mean of its divisors is an integer number (13930575403500).

Almost surely, 2^{111002022200021} is an apocalyptic number.

It is an amenable number.

111002022200021 is a deficient number, since it is larger than the sum of its proper divisors (442581027979).

111002022200021 is an equidigital number, since it uses as much as digits as its factorization.

111002022200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356979.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111002022200021 its reverse (120002220200111), we get a palindrome (231004242400132).

The spelling of 111002022200021 in words is "one hundred eleven trillion, two billion, twenty-two million, two hundred thousand, twenty-one".