21292224803 has 2 divisors, whose sum is σ = 21292224804. Its totient is φ = 21292224802.

The previous prime is 21292224797. The next prime is 21292224827. The reversal of 21292224803 is 30842229212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21292224803 - 2²² = 21288030499 is a prime.

It is a super-2 number, since 2×21292224803² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21292244803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10646112401 + 10646112402.

It is an arithmetic number, because the mean of its divisors is an integer number (10646112402).

Almost surely, 2^21292224803 is an apocalyptic number.

21292224803 is a deficient number, since it is larger than the sum of its proper divisors (1).

21292224803 is an equidigital number, since it uses as much as digits as its factorization.

21292224803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 21292224803 in words is "twenty-one billion, two hundred ninety-two million, two hundred twenty-four thousand, eight hundred three".