1144100420521 has 2 divisors, whose sum is σ = 1144100420522. Its totient is φ = 1144100420520.

The previous prime is 1144100420501. The next prime is 1144100420633. The reversal of 1144100420521 is 1250240014411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1057760825625 + 86339594896 = 1028475^2 + 293836^2 .

It is an emirp because it is prime and its reverse (1250240014411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144100420521 - 2²¹ = 1144098323369 is a prime.

It is a super-2 number, since 2×1144100420521² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1144100420501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572050210260 + 572050210261.

It is an arithmetic number, because the mean of its divisors is an integer number (572050210261).

Almost surely, 2^{1144100420521} is an apocalyptic number.

It is an amenable number.

1144100420521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144100420521 is an equidigital number, since it uses as much as digits as its factorization.

1144100420521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1144100420521 its reverse (1250240014411), we get a palindrome (2394340434932).

The spelling of 1144100420521 in words is "one trillion, one hundred forty-four billion, one hundred million, four hundred twenty thousand, five hundred twenty-one".