1011133020243 has 16 divisors (see below), whose sum is σ = 1392186583040. Its totient is φ = 652371711264.

The previous prime is 1011133020241. The next prime is 1011133020251. The reversal of 1011133020243 is 3420203311101.

It is not a de Polignac number, because 1011133020243 - 2¹ = 1011133020241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011133020241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35941171 + ... + 35969292.

It is an arithmetic number, because the mean of its divisors is an integer number (87011661440).

Almost surely, 2^{1011133020243} is an apocalyptic number.

1011133020243 is a deficient number, since it is larger than the sum of its proper divisors (381053562797).

1011133020243 is a wasteful number, since it uses less digits than its factorization.

1011133020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71910618.

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

Adding to 1011133020243 its reverse (3420203311101), we get a palindrome (4431336331344).

The spelling of 1011133020243 in words is "one trillion, eleven billion, one hundred thirty-three million, twenty thousand, two hundred forty-three".