1112123020133 has 4 divisors (see below), whose sum is σ = 1115423088780. Its totient is φ = 1108822951488.

The previous prime is 1112123020117. The next prime is 1112123020157. The reversal of 1112123020133 is 3310203212111.

It is a happy number.

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 156798576484 + 955324443649 = 395978^2 + 977407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112123020133 - 2⁴ = 1112123020117 is a prime.

It is a super-2 number, since 2×1112123020133² (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 (1112123020103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650033818 + ... + 1650034491.

It is an arithmetic number, because the mean of its divisors is an integer number (278855772195).

Almost surely, 2^{1112123020133} is an apocalyptic number.

It is an amenable number.

1112123020133 is a deficient number, since it is larger than the sum of its proper divisors (3300068647).

1112123020133 is an equidigital number, since it uses as much as digits as its factorization.

1112123020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300068646.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1112123020133 its reverse (3310203212111), we get a palindrome (4422326232244).

The spelling of 1112123020133 in words is "one trillion, one hundred twelve billion, one hundred twenty-three million, twenty thousand, one hundred thirty-three".