111220241199973 has 2 divisors, whose sum is σ = 111220241199974. Its totient is φ = 111220241199972.

The previous prime is 111220241199913. The next prime is 111220241200069. The reversal of 111220241199973 is 379991142022111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90314478512449 + 20905762687524 = 9503393^2 + 4572282^2 .

It is an emirp because it is prime and its reverse (379991142022111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111220241199973 - 2⁹ = 111220241199461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111220241199973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220241199913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610120599986 + 55610120599987.

It is an arithmetic number, because the mean of its divisors is an integer number (55610120599987).

Almost surely, 2^{111220241199973} is an apocalyptic number.

It is an amenable number.

111220241199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220241199973 is an equidigital number, since it uses as much as digits as its factorization.

111220241199973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 111220241199973 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred forty-one million, one hundred ninety-nine thousand, nine hundred seventy-three".