1111012212133 has 4 divisors (see below), whose sum is σ = 1129225527148. Its totient is φ = 1092798897120.

The previous prime is 1111012212097. The next prime is 1111012212151. The reversal of 1111012212133 is 3312122101111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 566010961569 + 545001250564 = 752337^2 + 738242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111012212133 - 2²⁹ = 1110475341221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111012212133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111012212533) 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 3 ways as a sum of consecutive naturals, for example, 9106657416 + ... + 9106657537.

It is an arithmetic number, because the mean of its divisors is an integer number (282306381787).

Almost surely, 2^{1111012212133} is an apocalyptic number.

It is an amenable number.

1111012212133 is a deficient number, since it is larger than the sum of its proper divisors (18213315015).

1111012212133 is an equidigital number, since it uses as much as digits as its factorization.

1111012212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18213315014.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1111012212133 its reverse (3312122101111), we get a palindrome (4423134313244).

The spelling of 1111012212133 in words is "one trillion, one hundred eleven billion, twelve million, two hundred twelve thousand, one hundred thirty-three".