1201040233311 has 12 divisors (see below), whose sum is σ = 1658511368072. Its totient is φ = 773083366944.

The previous prime is 1201040233301. The next prime is 1201040233319. The reversal of 1201040233311 is 1133320401021.

It is not a de Polignac number, because 1201040233311 - 2¹⁴ = 1201040216927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201040233319) 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 11 ways as a sum of consecutive naturals, for example, 238015756 + ... + 238020801.

Almost surely, 2^{1201040233311} is an apocalyptic number.

1201040233311 is a deficient number, since it is larger than the sum of its proper divisors (457471134761).

1201040233311 is an equidigital number, since it uses as much as digits as its factorization.

1201040233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476036618 (or 476036589 counting only the distinct ones).

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

Adding to 1201040233311 its reverse (1133320401021), we get a palindrome (2334360634332).

The spelling of 1201040233311 in words is "one trillion, two hundred one billion, forty million, two hundred thirty-three thousand, three hundred eleven".