111122021200513 has 2 divisors, whose sum is σ = 111122021200514. Its totient is φ = 111122021200512.

The previous prime is 111122021200499. The next prime is 111122021200633. The reversal of 111122021200513 is 315002120221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91086084473409 + 20035936727104 = 9543903^2 + 4476152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111122021200513 is a prime.

It is not a weakly prime, because it can be changed into another prime (111122021200013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561010600256 + 55561010600257.

It is an arithmetic number, because the mean of its divisors is an integer number (55561010600257).

Almost surely, 2^{111122021200513} is an apocalyptic number.

It is an amenable number.

111122021200513 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122021200513 is an equidigital number, since it uses as much as digits as its factorization.

111122021200513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 111122021200513 its reverse (315002120221111), we get a palindrome (426124141421624).

The spelling of 111122021200513 in words is "one hundred eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred thousand, five hundred thirteen".