1054023044221 has 4 divisors (see below), whose sum is σ = 1204597764832. Its totient is φ = 903448323612.

The previous prime is 1054023044189. The next prime is 1054023044237. The reversal of 1054023044221 is 1224403204501.

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 a cyclic number.

It is not a de Polignac number, because 1054023044221 - 2⁵ = 1054023044189 is a prime.

It is a super-2 number, since 2×1054023044221² (a number of 25 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 1054023044221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054023044281) 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 in 3 ways as a sum of consecutive naturals, for example, 75287360295 + ... + 75287360308.

It is an arithmetic number, because the mean of its divisors is an integer number (301149441208).

Almost surely, 2^{1054023044221} is an apocalyptic number.

It is an amenable number.

1054023044221 is a deficient number, since it is larger than the sum of its proper divisors (150574720611).

1054023044221 is an equidigital number, since it uses as much as digits as its factorization.

1054023044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150574720610.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1054023044221 its reverse (1224403204501), we get a palindrome (2278426248722).

The spelling of 1054023044221 in words is "one trillion, fifty-four billion, twenty-three million, forty-four thousand, two hundred twenty-one".