110421197 has 2 divisors, whose sum is σ = 110421198. Its totient is φ = 110421196.

The previous prime is 110421173. The next prime is 110421203. The reversal of 110421197 is 791124011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102292996 + 8128201 = 10114^2 + 2851^2 .

It is a cyclic number.

It is not a de Polignac number, because 110421197 - 2⁸ = 110420941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110421127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55210598 + 55210599.

It is an arithmetic number, because the mean of its divisors is an integer number (55210599).

Almost surely, 2^110421197 is an apocalyptic number.

It is an amenable number.

110421197 is a deficient number, since it is larger than the sum of its proper divisors (1).

110421197 is an equidigital number, since it uses as much as digits as its factorization.

110421197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 110421197 is about 10508.1490758363. The cubic root of 110421197 is about 479.7527618528.

The spelling of 110421197 in words is "one hundred ten million, four hundred twenty-one thousand, one hundred ninety-seven".