11201012199997 has 2 divisors, whose sum is σ = 11201012199998. Its totient is φ = 11201012199996.

The previous prime is 11201012199977. The next prime is 11201012200067. The reversal of 11201012199997 is 79999121010211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8462083189156 + 2738929010841 = 2908966^2 + 1654971^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201012199997 - 2⁴³ = 2404919177789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201012199977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600506099998 + 5600506099999.

It is an arithmetic number, because the mean of its divisors is an integer number (5600506099999).

Almost surely, 2^{11201012199997} is an apocalyptic number.

It is an amenable number.

11201012199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201012199997 is an equidigital number, since it uses as much as digits as its factorization.

11201012199997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 52.

The spelling of 11201012199997 in words is "eleven trillion, two hundred one billion, twelve million, one hundred ninety-nine thousand, nine hundred ninety-seven".