11212110097 has 2 divisors, whose sum is σ = 11212110098. Its totient is φ = 11212110096.

The previous prime is 11212110071. The next prime is 11212110103. The reversal of 11212110097 is 79001121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10575859921 + 636250176 = 102839^2 + 25224^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212110097 - 2¹¹ = 11212108049 is a prime.

It is a super-2 number, since 2×11212110097² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11212110047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606055048 + 5606055049.

It is an arithmetic number, because the mean of its divisors is an integer number (5606055049).

Almost surely, 2^11212110097 is an apocalyptic number.

It is an amenable number.

11212110097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212110097 is an equidigital number, since it uses as much as digits as its factorization.

11212110097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 11212110097 in words is "eleven billion, two hundred twelve million, one hundred ten thousand, ninety-seven".