1421013231401 has 8 divisors (see below), whose sum is σ = 1432614564264. Its totient is φ = 1409455595520.

The previous prime is 1421013231371. The next prime is 1421013231479. The reversal of 1421013231401 is 1041323101241.

It can be written as a sum of positive squares in 4 ways, for example, as 306806317801 + 1114206913600 = 553901^2 + 1055560^2 .

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 1421013231401 - 2²⁶ = 1420946122537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421013234401) 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 7 ways as a sum of consecutive naturals, for example, 10858940 + ... + 10989021.

It is an arithmetic number, because the mean of its divisors is an integer number (179076820533).

Almost surely, 2^{1421013231401} is an apocalyptic number.

It is an amenable number.

1421013231401 is a deficient number, since it is larger than the sum of its proper divisors (11601332863).

1421013231401 is a wasteful number, since it uses less digits than its factorization.

1421013231401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21848491.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1421013231401 its reverse (1041323101241), we get a palindrome (2462336332642).

The spelling of 1421013231401 in words is "one trillion, four hundred twenty-one billion, thirteen million, two hundred thirty-one thousand, four hundred one".