222101794097 has 2 divisors, whose sum is σ = 222101794098. Its totient is φ = 222101794096.

The previous prime is 222101794073. The next prime is 222101794099. The reversal of 222101794097 is 790497101222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221954996641 + 146797456 = 471121^2 + 12116^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101794097 - 2¹⁰ = 222101793073 is a prime.

It is a super-2 number, since 2×222101794097² (a number of 23 digits) contains 22 as substring.

Together with 222101794099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222101794099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050897048 + 111050897049.

It is an arithmetic number, because the mean of its divisors is an integer number (111050897049).

Almost surely, 2^222101794097 is an apocalyptic number.

It is an amenable number.

222101794097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101794097 is an equidigital number, since it uses as much as digits as its factorization.

222101794097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 222101794097 in words is "two hundred twenty-two billion, one hundred one million, seven hundred ninety-four thousand, ninety-seven".