211120110973 has 2 divisors, whose sum is σ = 211120110974. Its totient is φ = 211120110972.

The previous prime is 211120110947. The next prime is 211120111009. The reversal of 211120110973 is 379011021112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210302036569 + 818074404 = 458587^2 + 28602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211120110973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211120110673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560055486 + 105560055487.

It is an arithmetic number, because the mean of its divisors is an integer number (105560055487).

Almost surely, 2^211120110973 is an apocalyptic number.

It is an amenable number.

211120110973 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120110973 is an equidigital number, since it uses as much as digits as its factorization.

211120110973 is an evil number, because the sum of its binary digits is even.

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

The spelling of 211120110973 in words is "two hundred eleven billion, one hundred twenty million, one hundred ten thousand, nine hundred seventy-three".