120111011197 has 2 divisors, whose sum is σ = 120111011198. Its totient is φ = 120111011196.

The previous prime is 120111011191. The next prime is 120111011221. The reversal of 120111011197 is 791110111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104931292761 + 15179718436 = 323931^2 + 123206^2 .

It is an emirp because it is prime and its reverse (791110111021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120111011197 - 2³⁵ = 85751272829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120111011191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055505598 + 60055505599.

It is an arithmetic number, because the mean of its divisors is an integer number (60055505599).

Almost surely, 2^120111011197 is an apocalyptic number.

It is an amenable number.

120111011197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111011197 is an equidigital number, since it uses as much as digits as its factorization.

120111011197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 25.

The spelling of 120111011197 in words is "one hundred twenty billion, one hundred eleven million, eleven thousand, one hundred ninety-seven".