2221402041197 has 2 divisors, whose sum is σ = 2221402041198. Its totient is φ = 2221402041196.

The previous prime is 2221402041193. The next prime is 2221402041263. The reversal of 2221402041197 is 7911402041222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220141720196 + 1260321001 = 1490014^2 + 35501^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221402041197 - 2² = 2221402041193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221402041193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110701020598 + 1110701020599.

It is an arithmetic number, because the mean of its divisors is an integer number (1110701020599).

Almost surely, 2^{2221402041197} is an apocalyptic number.

It is an amenable number.

2221402041197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221402041197 is an equidigital number, since it uses as much as digits as its factorization.

2221402041197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 2221402041197 in words is "two trillion, two hundred twenty-one billion, four hundred two million, forty-one thousand, one hundred ninety-seven".