21433422200011 has 4 divisors (see below), whose sum is σ = 21433431598632. Its totient is φ = 21433412801392.

The previous prime is 21433422199979. The next prime is 21433422200017. The reversal of 21433422200011 is 11000222433412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 21433422200011 - 2⁵ = 21433422199979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21433422200017) 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, 1140231 + ... + 6645823.

It is an arithmetic number, because the mean of its divisors is an integer number (5358357899658).

Almost surely, 2^{21433422200011} is an apocalyptic number.

21433422200011 is a deficient number, since it is larger than the sum of its proper divisors (9398621).

21433422200011 is an equidigital number, since it uses as much as digits as its factorization.

21433422200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398620.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21433422200011 its reverse (11000222433412), we get a palindrome (32433644633423).

The spelling of 21433422200011 in words is "twenty-one trillion, four hundred thirty-three billion, four hundred twenty-two million, two hundred thousand, eleven".