2112043320401 has 8 divisors (see below), whose sum is σ = 2413909046784. Its totient is φ = 1810213907040.

The previous prime is 2112043320391. The next prime is 2112043320427. The reversal of 2112043320401 is 1040233402112.

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

It is not a de Polignac number, because 2112043320401 - 2²⁶ = 2111976211537 is a prime.

It is a super-2 number, since 2×2112043320401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112043320461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8953505 + ... + 9186366.

It is an arithmetic number, because the mean of its divisors is an integer number (301738630848).

Almost surely, 2^{2112043320401} is an apocalyptic number.

It is an amenable number.

2112043320401 is a deficient number, since it is larger than the sum of its proper divisors (301865726383).

2112043320401 is a wasteful number, since it uses less digits than its factorization.

2112043320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156511.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2112043320401 its reverse (1040233402112), we get a palindrome (3152276722513).

The spelling of 2112043320401 in words is "two trillion, one hundred twelve billion, forty-three million, three hundred twenty thousand, four hundred one".