11021100012997 has 2 divisors, whose sum is σ = 11021100012998. Its totient is φ = 11021100012996.

The previous prime is 11021100012953. The next prime is 11021100013069. The reversal of 11021100012997 is 79921000112011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5546618475876 + 5474481537121 = 2355126^2 + 2339761^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021100012997 - 2²⁷ = 11020965795269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021100012917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510550006498 + 5510550006499.

It is an arithmetic number, because the mean of its divisors is an integer number (5510550006499).

Almost surely, 2^{11021100012997} is an apocalyptic number.

It is an amenable number.

11021100012997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021100012997 is an equidigital number, since it uses as much as digits as its factorization.

11021100012997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 34.

The spelling of 11021100012997 in words is "eleven trillion, twenty-one billion, one hundred million, twelve thousand, nine hundred ninety-seven".