1121010440023 has 4 divisors (see below), whose sum is σ = 1121603883120. Its totient is φ = 1120416996928.

The previous prime is 1121010440021. The next prime is 1121010440029. The reversal of 1121010440023 is 3200440101211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121010440023 - 2¹ = 1121010440021 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 (1121010440021) 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, 296718715 + ... + 296722492.

It is an arithmetic number, because the mean of its divisors is an integer number (280400970780).

Almost surely, 2^{1121010440023} is an apocalyptic number.

1121010440023 is a deficient number, since it is larger than the sum of its proper divisors (593443097).

1121010440023 is an equidigital number, since it uses as much as digits as its factorization.

1121010440023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593443096.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1121010440023 its reverse (3200440101211), we get a palindrome (4321450541234).

The spelling of 1121010440023 in words is "one trillion, one hundred twenty-one billion, ten million, four hundred forty thousand, twenty-three".