2021112000023 has 4 divisors (see below), whose sum is σ = 2021116615848. Its totient is φ = 2021107384200.

The previous prime is 2021111999947. The next prime is 2021112000031. The reversal of 2021112000023 is 3200002111202.

It is a happy number.

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 2021112000023 - 2¹² = 2021111995927 is a prime.

It is a super-3 number, since 3×2021112000023³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021111999971 and 2021112000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112000073) 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, 1573136 + ... + 2552837.

It is an arithmetic number, because the mean of its divisors is an integer number (505279153962).

Almost surely, 2^{2021112000023} is an apocalyptic number.

2021112000023 is a deficient number, since it is larger than the sum of its proper divisors (4615825).

2021112000023 is an equidigital number, since it uses as much as digits as its factorization.

2021112000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615824.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021112000023 its reverse (3200002111202), we get a palindrome (5221114111225).

The spelling of 2021112000023 in words is "two trillion, twenty-one billion, one hundred twelve million, twenty-three", and thus it is an aban number.