111041120221397 has 2 divisors, whose sum is σ = 111041120221398. Its totient is φ = 111041120221396.

The previous prime is 111041120221391. The next prime is 111041120221417. The reversal of 111041120221397 is 793122021140111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100819793300836 + 10221326920561 = 10040906^2 + 3197081^2 .

It is a cyclic number.

It is not a de Polignac number, because 111041120221397 - 2²⁴ = 111041103444181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111041120221391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55520560110698 + 55520560110699.

It is an arithmetic number, because the mean of its divisors is an integer number (55520560110699).

Almost surely, 2^{111041120221397} is an apocalyptic number.

It is an amenable number.

111041120221397 is a deficient number, since it is larger than the sum of its proper divisors (1).

111041120221397 is an equidigital number, since it uses as much as digits as its factorization.

111041120221397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 111041120221397 in words is "one hundred eleven trillion, forty-one billion, one hundred twenty million, two hundred twenty-one thousand, three hundred ninety-seven".