11240421021001 has 2 divisors, whose sum is σ = 11240421021002. Its totient is φ = 11240421021000.

The previous prime is 11240421020977. The next prime is 11240421021031. The reversal of 11240421021001 is 10012012404211.

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., 5848179726601 + 5392241294400 = 2418301^2 + 2322120^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240421021001 - 2²⁵ = 11240387466569 is a prime.

It is a super-2 number, since 2×11240421021001² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11240421021001.

It is not a weakly prime, because it can be changed into another prime (11240421021031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620210510500 + 5620210510501.

It is an arithmetic number, because the mean of its divisors is an integer number (5620210510501).

Almost surely, 2^{11240421021001} is an apocalyptic number.

It is an amenable number.

11240421021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240421021001 is an equidigital number, since it uses as much as digits as its factorization.

11240421021001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11240421021001 its reverse (10012012404211), we get a palindrome (21252433425212).

The spelling of 11240421021001 in words is "eleven trillion, two hundred forty billion, four hundred twenty-one million, twenty-one thousand, one".