1421303112203 has 24 divisors (see below), whose sum is σ = 1593928336896. Its totient is φ = 1265971980000.

The previous prime is 1421303112161. The next prime is 1421303112217. The reversal of 1421303112203 is 3022113031241.

It is not a de Polignac number, because 1421303112203 - 2⁸ = 1421303111947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421303112503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696173 + ... + 1824078.

It is an arithmetic number, because the mean of its divisors is an integer number (66413680704).

Almost surely, 2^{1421303112203} is an apocalyptic number.

1421303112203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1421303112203 is a deficient number, since it is larger than the sum of its proper divisors (172625224693).

1421303112203 is a wasteful number, since it uses less digits than its factorization.

1421303112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520395 (or 2520382 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1421303112203 its reverse (3022113031241), we get a palindrome (4443416143444).

The spelling of 1421303112203 in words is "one trillion, four hundred twenty-one billion, three hundred three million, one hundred twelve thousand, two hundred three".