1351046144221 has 8 divisors (see below), whose sum is σ = 1413445267584. Its totient is φ = 1290049248480.

The previous prime is 1351046144213. The next prime is 1351046144249. The reversal of 1351046144221 is 1224416401531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1351046144221 - 2³ = 1351046144213 is a prime.

It is a super-2 number, since 2×1351046144221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351046144281) 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, 350554935 + ... + 350558788.

It is an arithmetic number, because the mean of its divisors is an integer number (176680658448).

Almost surely, 2^{1351046144221} is an apocalyptic number.

It is an amenable number.

1351046144221 is a deficient number, since it is larger than the sum of its proper divisors (62399123363).

1351046144221 is an equidigital number, since it uses as much as digits as its factorization.

1351046144221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701113811.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 1351046144221 in words is "one trillion, three hundred fifty-one billion, forty-six million, one hundred forty-four thousand, two hundred twenty-one".