1053340243221 has 8 divisors (see below), whose sum is σ = 1605089894464. Its totient is φ = 601908710400.

The previous prime is 1053340243181. The next prime is 1053340243223. The reversal of 1053340243221 is 1223420433501.

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

It is not a de Polignac number, because 1053340243221 - 2¹⁵ = 1053340210453 is a prime.

It is a super-2 number, since 2×1053340243221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053340243223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25079529580 + ... + 25079529621.

It is an arithmetic number, because the mean of its divisors is an integer number (200636236808).

Almost surely, 2^{1053340243221} is an apocalyptic number.

It is an amenable number.

1053340243221 is a deficient number, since it is larger than the sum of its proper divisors (551749651243).

1053340243221 is an equidigital number, since it uses as much as digits as its factorization.

1053340243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50159059211.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1053340243221 its reverse (1223420433501), we get a palindrome (2276760676722).

The spelling of 1053340243221 in words is "one trillion, fifty-three billion, three hundred forty million, two hundred forty-three thousand, two hundred twenty-one".