1121200010023 has 16 divisors (see below), whose sum is σ = 1132076872800. Its totient is φ = 1110365093376.

The previous prime is 1121200009997. The next prime is 1121200010041. The reversal of 1121200010023 is 3200100021211.

It is a cyclic number.

It is not a de Polignac number, because 1121200010023 - 2²⁹ = 1120663139111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121200009985 and 1121200010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121200010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130931140 + ... + 130939702.

It is an arithmetic number, because the mean of its divisors is an integer number (70754804550).

Almost surely, 2^{1121200010023} is an apocalyptic number.

1121200010023 is a deficient number, since it is larger than the sum of its proper divisors (10876862777).

1121200010023 is a wasteful number, since it uses less digits than its factorization.

1121200010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1121200010023 its reverse (3200100021211), we get a palindrome (4321300031234).

The spelling of 1121200010023 in words is "one trillion, one hundred twenty-one billion, two hundred million, ten thousand, twenty-three".