11222002101997 has 2 divisors, whose sum is σ = 11222002101998. Its totient is φ = 11222002101996.

The previous prime is 11222002101979. The next prime is 11222002102007. The reversal of 11222002101997 is 79910120022211.

Together with previous prime (11222002101979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6303569297481 + 4918432804516 = 2510691^2 + 2217754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222002101997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222002111997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611001050998 + 5611001050999.

It is an arithmetic number, because the mean of its divisors is an integer number (5611001050999).

Almost surely, 2^{11222002101997} is an apocalyptic number.

It is an amenable number.

11222002101997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222002101997 is an equidigital number, since it uses as much as digits as its factorization.

11222002101997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 11222002101997 in words is "eleven trillion, two hundred twenty-two billion, two million, one hundred one thousand, nine hundred ninety-seven".