1121000012023 has 8 divisors (see below), whose sum is σ = 1122600507392. Its totient is φ = 1119399678936.

The previous prime is 1121000011993. The next prime is 1121000012029. The reversal of 1121000012023 is 3202100001211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121000012023 - 2⁵ = 1121000011991 is a prime.

It is a super-2 number, since 2×1121000012023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121000011994 and 1121000012012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121000012029) 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 7 ways as a sum of consecutive naturals, for example, 22924786 + ... + 22973632.

It is an arithmetic number, because the mean of its divisors is an integer number (140325063424).

Almost surely, 2^{1121000012023} is an apocalyptic number.

1121000012023 is a deficient number, since it is larger than the sum of its proper divisors (1600495369).

1121000012023 is an equidigital number, since it uses as much as digits as its factorization.

1121000012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81141.

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

Adding to 1121000012023 its reverse (3202100001211), we get a palindrome (4323100013234).

The spelling of 1121000012023 in words is "one trillion, one hundred twenty-one billion, twelve thousand, twenty-three".