211120110197 has 2 divisors, whose sum is σ = 211120110198. Its totient is φ = 211120110196.

The previous prime is 211120110169. The next prime is 211120110217. The reversal of 211120110197 is 791011021112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169683029476 + 41437080721 = 411926^2 + 203561^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120110197 - 2¹⁰ = 211120109173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211120130197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560055098 + 105560055099.

It is an arithmetic number, because the mean of its divisors is an integer number (105560055099).

Almost surely, 2^211120110197 is an apocalyptic number.

It is an amenable number.

211120110197 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120110197 is an equidigital number, since it uses as much as digits as its factorization.

211120110197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 211120110197 in words is "two hundred eleven billion, one hundred twenty million, one hundred ten thousand, one hundred ninety-seven".