111200122013 has 2 divisors, whose sum is σ = 111200122014. Its totient is φ = 111200122012.

The previous prime is 111200122001. The next prime is 111200122037. The reversal of 111200122013 is 310221002111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90517943044 + 20682178969 = 300862^2 + 143813^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200122013 - 2¹⁶ = 111200056477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200122073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600061006 + 55600061007.

It is an arithmetic number, because the mean of its divisors is an integer number (55600061007).

Almost surely, 2^111200122013 is an apocalyptic number.

It is an amenable number.

111200122013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200122013 is an equidigital number, since it uses as much as digits as its factorization.

111200122013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111200122013 its reverse (310221002111), we get a palindrome (421421124124).

The spelling of 111200122013 in words is "one hundred eleven billion, two hundred million, one hundred twenty-two thousand, thirteen".