21232211341403 has 4 divisors (see below), whose sum is σ = 21301371639240. Its totient is φ = 21163051043568.

The previous prime is 21232211341357. The next prime is 21232211341447. The reversal of 21232211341403 is 30414311223212.

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 21232211341403 - 2¹⁴ = 21232211325019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21232211343403) 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, 34580148458 + ... + 34580149071.

It is an arithmetic number, because the mean of its divisors is an integer number (5325342909810).

Almost surely, 2^{21232211341403} is an apocalyptic number.

21232211341403 is a deficient number, since it is larger than the sum of its proper divisors (69160297837).

21232211341403 is an equidigital number, since it uses as much as digits as its factorization.

21232211341403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69160297836.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21232211341403 its reverse (30414311223212), we get a palindrome (51646522564615).

The spelling of 21232211341403 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred eleven million, three hundred forty-one thousand, four hundred three".