1144104210021 has 4 divisors (see below), whose sum is σ = 1525472280032. Its totient is φ = 762736140012.

The previous prime is 1144104209959. The next prime is 1144104210031. The reversal of 1144104210021 is 1200124014411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1144104210021 - 2⁶ = 1144104209957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144104210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144104210031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190684035001 + ... + 190684035006.

It is an arithmetic number, because the mean of its divisors is an integer number (381368070008).

Almost surely, 2^{1144104210021} is an apocalyptic number.

It is an amenable number.

1144104210021 is a deficient number, since it is larger than the sum of its proper divisors (381368070011).

1144104210021 is an equidigital number, since it uses as much as digits as its factorization.

1144104210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381368070010.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1144104210021 its reverse (1200124014411), we get a palindrome (2344228224432).

The spelling of 1144104210021 in words is "one trillion, one hundred forty-four billion, one hundred four million, two hundred ten thousand, twenty-one".