11000100101021 has 2 divisors, whose sum is σ = 11000100101022. Its totient is φ = 11000100101020.

The previous prime is 11000100100993. The next prime is 11000100101027. The reversal of 11000100101021 is 12010100100011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9981587203225 + 1018512897796 = 3159365^2 + 1009214^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000100101021 - 2⁴² = 6602053589917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000100101027) 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, 5500050050510 + 5500050050511.

It is an arithmetic number, because the mean of its divisors is an integer number (5500050050511).

Almost surely, 2^{11000100101021} is an apocalyptic number.

It is an amenable number.

11000100101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000100101021 is an equidigital number, since it uses as much as digits as its factorization.

11000100101021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11000100101021 its reverse (12010100100011), we get a palindrome (23010200201032).

The spelling of 11000100101021 in words is "eleven trillion, one hundred million, one hundred one thousand, twenty-one".