11021222220097 has 2 divisors, whose sum is σ = 11021222220098. Its totient is φ = 11021222220096.

The previous prime is 11021222220079. The next prime is 11021222220143. The reversal of 11021222220097 is 79002222212011.

Together with previous prime (11021222220079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7143694127361 + 3877528092736 = 2672769^2 + 1969144^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021222220097 - 2²³ = 11021213831489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021222220017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510611110048 + 5510611110049.

It is an arithmetic number, because the mean of its divisors is an integer number (5510611110049).

Almost surely, 2^{11021222220097} is an apocalyptic number.

It is an amenable number.

11021222220097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021222220097 is an equidigital number, since it uses as much as digits as its factorization.

11021222220097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 11021222220097 in words is "eleven trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, ninety-seven".