1330100321421 has 8 divisors (see below), whose sum is σ = 1773547565440. Its totient is φ = 886693312512.

The previous prime is 1330100321393. The next prime is 1330100321437. The reversal of 1330100321421 is 1241230010331.

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

It is not a de Polignac number, because 1330100321421 - 2⁷ = 1330100321293 is a prime.

It is a super-2 number, since 2×1330100321421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330100321441) 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, 9981556 + ... + 10113933.

It is an arithmetic number, because the mean of its divisors is an integer number (221693445680).

Almost surely, 2^{1330100321421} is an apocalyptic number.

It is an amenable number.

1330100321421 is a deficient number, since it is larger than the sum of its proper divisors (443447244019).

1330100321421 is a wasteful number, since it uses less digits than its factorization.

1330100321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20117555.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1330100321421 its reverse (1241230010331), we get a palindrome (2571330331752).

The spelling of 1330100321421 in words is "one trillion, three hundred thirty billion, one hundred million, three hundred twenty-one thousand, four hundred twenty-one".