111101101110973 has 2 divisors, whose sum is σ = 111101101110974. Its totient is φ = 111101101110972.

The previous prime is 111101101110971. The next prime is 111101101111009. The reversal of 111101101110973 is 379011101101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55976089268089 + 55125011842884 = 7481717^2 + 7424622^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101101110973 - 2¹ = 111101101110971 is a prime.

It is a super-2 number, since 2×111101101110973² (a number of 29 digits) contains 22 as substring.

Together with 111101101110971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101101110971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550550555486 + 55550550555487.

It is an arithmetic number, because the mean of its divisors is an integer number (55550550555487).

Almost surely, 2^{111101101110973} is an apocalyptic number.

It is an amenable number.

111101101110973 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101101110973 is an equidigital number, since it uses as much as digits as its factorization.

111101101110973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 28.

The spelling of 111101101110973 in words is "one hundred eleven trillion, one hundred one billion, one hundred one million, one hundred ten thousand, nine hundred seventy-three".