111021132193 has 2 divisors, whose sum is σ = 111021132194. Its totient is φ = 111021132192.

The previous prime is 111021132163. The next prime is 111021132307. The reversal of 111021132193 is 391231120111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63238669729 + 47782462464 = 251473^2 + 218592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111021132193 is a prime.

It is not a weakly prime, because it can be changed into another prime (111021132163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510566096 + 55510566097.

It is an arithmetic number, because the mean of its divisors is an integer number (55510566097).

Almost surely, 2^111021132193 is an apocalyptic number.

It is an amenable number.

111021132193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111021132193 is an equidigital number, since it uses as much as digits as its factorization.

111021132193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 111021132193 in words is "one hundred eleven billion, twenty-one million, one hundred thirty-two thousand, one hundred ninety-three".