1054434412221 has 8 divisors (see below), whose sum is σ = 1414867407264. Its totient is φ = 698478846000.

The previous prime is 1054434412181. The next prime is 1054434412243. The reversal of 1054434412221 is 1222144344501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054434412221 - 2⁷ = 1054434412093 is a prime.

It is a super-2 number, since 2×1054434412221² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054434416221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119356655 + ... + 1119357596.

It is an arithmetic number, because the mean of its divisors is an integer number (176858425908).

Almost surely, 2^{1054434412221} is an apocalyptic number.

It is an amenable number.

1054434412221 is a deficient number, since it is larger than the sum of its proper divisors (360432995043).

1054434412221 is a wasteful number, since it uses less digits than its factorization.

1054434412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238714411.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 1054434412221 its reverse (1222144344501), we get a palindrome (2276578756722).

The spelling of 1054434412221 in words is "one trillion, fifty-four billion, four hundred thirty-four million, four hundred twelve thousand, two hundred twenty-one".