10221201097 has 2 divisors, whose sum is σ = 10221201098. Its totient is φ = 10221201096.

The previous prime is 10221201043. The next prime is 10221201101. The reversal of 10221201097 is 79010212201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7108007481 + 3113193616 = 84309^2 + 55796^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221201097 - 2²⁷ = 10086983369 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221207097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110600548 + 5110600549.

It is an arithmetic number, because the mean of its divisors is an integer number (5110600549).

Almost surely, 2^10221201097 is an apocalyptic number.

It is an amenable number.

10221201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221201097 is an equidigital number, since it uses as much as digits as its factorization.

10221201097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 10221201097 its reverse (79010212201), we get a palindrome (89231413298).

The spelling of 10221201097 in words is "ten billion, two hundred twenty-one million, two hundred one thousand, ninety-seven".