21203222314 has 24 divisors (see below), whose sum is σ = 32309087904. Its totient is φ = 10436105400.

The previous prime is 21203222309. The next prime is 21203222419. The reversal of 21203222314 is 41322230212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8941549 + ... + 8943919.

It is an arithmetic number, because the mean of its divisors is an integer number (1346211996).

Almost surely, 2^21203222314 is an apocalyptic number.

21203222314 is a deficient number, since it is larger than the sum of its proper divisors (11105865590).

21203222314 is an equidigital number, since it uses as much as digits as its factorization.

21203222314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21203222314 its reverse (41322230212), we get a palindrome (62525452526).

The spelling of 21203222314 in words is "twenty-one billion, two hundred three million, two hundred twenty-two thousand, three hundred fourteen".