1121003003231 has 12 divisors (see below), whose sum is σ = 1162378336320. Its totient is φ = 1079975370240.

The previous prime is 1121003003213. The next prime is 1121003003243. The reversal of 1121003003231 is 1323003001211.

It is a de Polignac number, because none of the positive numbers 2^k-1121003003231 is a prime.

It is a super-2 number, since 2×1121003003231² (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 (1121003003251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178015 + ... + 1905183.

It is an arithmetic number, because the mean of its divisors is an integer number (96864861360).

Almost surely, 2^{1121003003231} is an apocalyptic number.

1121003003231 is a deficient number, since it is larger than the sum of its proper divisors (41375333089).

1121003003231 is an frugal number, since it uses more digits than its factorization.

1121003003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727646 (or 727423 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1121003003231 its reverse (1323003001211), we get a palindrome (2444006004442).

The spelling of 1121003003231 in words is "one trillion, one hundred twenty-one billion, three million, three thousand, two hundred thirty-one".