111012122369 has 2 divisors, whose sum is σ = 111012122370. Its totient is φ = 111012122368.

The previous prime is 111012122329. The next prime is 111012122371. The reversal of 111012122369 is 963221210111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105430090000 + 5582032369 = 324700^2 + 74713^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012122369 - 2⁸ = 111012122113 is a prime.

It is a super-2 number, since 2×111012122369² (a number of 23 digits) contains 22 as substring.

Together with 111012122371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111012122329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506061184 + 55506061185.

It is an arithmetic number, because the mean of its divisors is an integer number (55506061185).

Almost surely, 2^111012122369 is an apocalyptic number.

It is an amenable number.

111012122369 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012122369 is an equidigital number, since it uses as much as digits as its factorization.

111012122369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 111012122369 in words is "one hundred eleven billion, twelve million, one hundred twenty-two thousand, three hundred sixty-nine".