1022211201097 has 2 divisors, whose sum is σ = 1022211201098. Its totient is φ = 1022211201096.

The previous prime is 1022211201071. The next prime is 1022211201113. The reversal of 1022211201097 is 7901021122201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969395807241 + 52815393856 = 984579^2 + 229816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022211201097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022211201007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511105600548 + 511105600549.

It is an arithmetic number, because the mean of its divisors is an integer number (511105600549).

Almost surely, 2^{1022211201097} is an apocalyptic number.

It is an amenable number.

1022211201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022211201097 is an equidigital number, since it uses as much as digits as its factorization.

1022211201097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 1022211201097 its reverse (7901021122201), we get a palindrome (8923232323298).

The spelling of 1022211201097 in words is "one trillion, twenty-two billion, two hundred eleven million, two hundred one thousand, ninety-seven".