101021102133449 has 2 divisors, whose sum is σ = 101021102133450. Its totient is φ = 101021102133448.

The previous prime is 101021102133443. The next prime is 101021102133467. The reversal of 101021102133449 is 944331201120101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82734942015625 + 18286160117824 = 9095875^2 + 4276232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101021102133449 is a prime.

It is not a weakly prime, because it can be changed into another prime (101021102133443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510551066724 + 50510551066725.

It is an arithmetic number, because the mean of its divisors is an integer number (50510551066725).

Almost surely, 2^{101021102133449} is an apocalyptic number.

It is an amenable number.

101021102133449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021102133449 is an equidigital number, since it uses as much as digits as its factorization.

101021102133449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 101021102133449 in words is "one hundred one trillion, twenty-one billion, one hundred two million, one hundred thirty-three thousand, four hundred forty-nine".