111322000111021 has 4 divisors (see below), whose sum is σ = 127225142984032. Its totient is φ = 95418857238012.

The previous prime is 111322000111009. The next prime is 111322000111051. The reversal of 111322000111021 is 120111000223111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111322000111021 - 2⁵ = 111322000110989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111322000110986 and 111322000111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111322000111051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7951571436495 + ... + 7951571436508.

It is an arithmetic number, because the mean of its divisors is an integer number (31806285746008).

Almost surely, 2^{111322000111021} is an apocalyptic number.

It is an amenable number.

111322000111021 is a deficient number, since it is larger than the sum of its proper divisors (15903142873011).

111322000111021 is an equidigital number, since it uses as much as digits as its factorization.

111322000111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15903142873010.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111322000111021 its reverse (120111000223111), we get a palindrome (231433000334132).

The spelling of 111322000111021 in words is "one hundred eleven trillion, three hundred twenty-two billion, one hundred eleven thousand, twenty-one".