21021034322 has 8 divisors (see below), whose sum is σ = 32902488576. Its totient is φ = 10053538132.

The previous prime is 21021034301. The next prime is 21021034339. The reversal of 21021034322 is 22343012012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21021034294 and 21021034303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228489458 + ... + 228489549.

It is an arithmetic number, because the mean of its divisors is an integer number (4112811072).

Almost surely, 2^21021034322 is an apocalyptic number.

21021034322 is a deficient number, since it is larger than the sum of its proper divisors (11881454254).

21021034322 is a wasteful number, since it uses less digits than its factorization.

21021034322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456979032.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21021034322 its reverse (22343012012), we get a palindrome (43364046334).

The spelling of 21021034322 in words is "twenty-one billion, twenty-one million, thirty-four thousand, three hundred twenty-two".