21132214223 has 2 divisors, whose sum is σ = 21132214224. Its totient is φ = 21132214222.

The previous prime is 21132214211. The next prime is 21132214241. The reversal of 21132214223 is 32241223112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21132214223 - 2⁸ = 21132213967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21132214283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566107111 + 10566107112.

It is an arithmetic number, because the mean of its divisors is an integer number (10566107112).

Almost surely, 2^21132214223 is an apocalyptic number.

21132214223 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132214223 is an equidigital number, since it uses as much as digits as its factorization.

21132214223 is an odious number, because the sum of its binary digits is odd.

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

Adding to 21132214223 its reverse (32241223112), we get a palindrome (53373437335).

The spelling of 21132214223 in words is "twenty-one billion, one hundred thirty-two million, two hundred fourteen thousand, two hundred twenty-three".