20211133012043 has 4 divisors (see below), whose sum is σ = 21400023189240. Its totient is φ = 19022242834848.

The previous prime is 20211133012027. The next prime is 20211133012051. The reversal of 20211133012043 is 34021033111202.

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 20211133012043 - 2⁴ = 20211133012027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211133012073) 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, 594445088573 + ... + 594445088606.

It is an arithmetic number, because the mean of its divisors is an integer number (5350005797310).

Almost surely, 2^{20211133012043} is an apocalyptic number.

20211133012043 is a deficient number, since it is larger than the sum of its proper divisors (1188890177197).

20211133012043 is a wasteful number, since it uses less digits than its factorization.

20211133012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188890177196.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20211133012043 its reverse (34021033111202), we get a palindrome (54232166123245).

The spelling of 20211133012043 in words is "twenty trillion, two hundred eleven billion, one hundred thirty-three million, twelve thousand, forty-three".