112021121022197 has 2 divisors, whose sum is σ = 112021121022198. Its totient is φ = 112021121022196.

The previous prime is 112021121022157. The next prime is 112021121022229. The reversal of 112021121022197 is 791220121120211.

It is an a-pointer prime, because the next prime (112021121022229) can be obtained adding 112021121022197 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64832272318801 + 47188848703396 = 8051849^2 + 6869414^2 .

It is a cyclic number.

It is not a de Polignac number, because 112021121022197 - 2⁶ = 112021121022133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112021121022157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010560511098 + 56010560511099.

It is an arithmetic number, because the mean of its divisors is an integer number (56010560511099).

Almost surely, 2^{112021121022197} is an apocalyptic number.

It is an amenable number.

112021121022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021121022197 is an equidigital number, since it uses as much as digits as its factorization.

112021121022197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 112021121022197 in words is "one hundred twelve trillion, twenty-one billion, one hundred twenty-one million, twenty-two thousand, one hundred ninety-seven".