111020122011013 has 2 divisors, whose sum is σ = 111020122011014. Its totient is φ = 111020122011012.

The previous prime is 111020122010977. The next prime is 111020122011053. The reversal of 111020122011013 is 310110221020111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77872029687169 + 33148092323844 = 8824513^2 + 5757438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020122011013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020122011053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510061005506 + 55510061005507.

It is an arithmetic number, because the mean of its divisors is an integer number (55510061005507).

Almost surely, 2^{111020122011013} is an apocalyptic number.

It is an amenable number.

111020122011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020122011013 is an equidigital number, since it uses as much as digits as its factorization.

111020122011013 is an odious number, because the sum of its binary digits is odd.

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

Adding to 111020122011013 its reverse (310110221020111), we get a palindrome (421130343031124).

The spelling of 111020122011013 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two million, eleven thousand, thirteen".