100110111211973 has 2 divisors, whose sum is σ = 100110111211974. Its totient is φ = 100110111211972.

The previous prime is 100110111211969. The next prime is 100110111212047. The reversal of 100110111211973 is 379112111011001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94880807899684 + 5229303312289 = 9740678^2 + 2286767^2 .

It is a cyclic number.

It is not a de Polignac number, because 100110111211973 - 2² = 100110111211969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100110111211963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055055605986 + 50055055605987.

It is an arithmetic number, because the mean of its divisors is an integer number (50055055605987).

Almost surely, 2^{100110111211973} is an apocalyptic number.

It is an amenable number.

100110111211973 is a deficient number, since it is larger than the sum of its proper divisors (1).

100110111211973 is an equidigital number, since it uses as much as digits as its factorization.

100110111211973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 29.

Adding to 100110111211973 its reverse (379112111011001), we get a palindrome (479222222222974).

The spelling of 100110111211973 in words is "one hundred trillion, one hundred ten billion, one hundred eleven million, two hundred eleven thousand, nine hundred seventy-three".