111032213309921 has 2 divisors, whose sum is σ = 111032213309922. Its totient is φ = 111032213309920.

The previous prime is 111032213309909. The next prime is 111032213310071. The reversal of 111032213309921 is 129903312230111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56072764830625 + 54959448479296 = 7488175^2 + 7413464^2 .

It is a cyclic number.

It is not a de Polignac number, because 111032213309921 - 2²⁶ = 111032146201057 is a prime.

It is a super-3 number, since 3×111032213309921³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111032213308921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55516106654960 + 55516106654961.

It is an arithmetic number, because the mean of its divisors is an integer number (55516106654961).

Almost surely, 2^{111032213309921} is an apocalyptic number.

It is an amenable number.

111032213309921 is a deficient number, since it is larger than the sum of its proper divisors (1).

111032213309921 is an equidigital number, since it uses as much as digits as its factorization.

111032213309921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 111032213309921 in words is "one hundred eleven trillion, thirty-two billion, two hundred thirteen million, three hundred nine thousand, nine hundred twenty-one".