111022011973 has 2 divisors, whose sum is σ = 111022011974. Its totient is φ = 111022011972.

The previous prime is 111022011959. The next prime is 111022011983. The reversal of 111022011973 is 379110220111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103283818884 + 7738193089 = 321378^2 + 87967^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022011973 - 2²¹ = 111019914821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111022011943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511005986 + 55511005987.

It is an arithmetic number, because the mean of its divisors is an integer number (55511005987).

Almost surely, 2^111022011973 is an apocalyptic number.

It is an amenable number.

111022011973 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022011973 is an equidigital number, since it uses as much as digits as its factorization.

111022011973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 28.

The spelling of 111022011973 in words is "one hundred eleven billion, twenty-two million, eleven thousand, nine hundred seventy-three".