11100220971029 has 2 divisors, whose sum is σ = 11100220971030. Its totient is φ = 11100220971028.

The previous prime is 11100220970987. The next prime is 11100220971061. The reversal of 11100220971029 is 92017902200111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9957464247025 + 1142756724004 = 3155545^2 + 1068998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100220971029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11100220971029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100220971079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550110485514 + 5550110485515.

It is an arithmetic number, because the mean of its divisors is an integer number (5550110485515).

Almost surely, 2^{11100220971029} is an apocalyptic number.

It is an amenable number.

11100220971029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100220971029 is an equidigital number, since it uses as much as digits as its factorization.

11100220971029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 11100220971029 in words is "eleven trillion, one hundred billion, two hundred twenty million, nine hundred seventy-one thousand, twenty-nine".