1321112133203 has 8 divisors (see below), whose sum is σ = 1396184771520. Its totient is φ = 1246593537000.

The previous prime is 1321112133181. The next prime is 1321112133221. The reversal of 1321112133203 is 3023312111231.

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 1321112133203 - 2⁸ = 1321112132947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321112133223) 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, 138505625 + ... + 138515162.

It is an arithmetic number, because the mean of its divisors is an integer number (174523096440).

Almost surely, 2^{1321112133203} is an apocalyptic number.

1321112133203 is a deficient number, since it is larger than the sum of its proper divisors (75072638317).

1321112133203 is a wasteful number, since it uses less digits than its factorization.

1321112133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277021057.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1321112133203 its reverse (3023312111231), we get a palindrome (4344424244434).

The spelling of 1321112133203 in words is "one trillion, three hundred twenty-one billion, one hundred twelve million, one hundred thirty-three thousand, two hundred three".