21302244122 has 8 divisors (see below), whose sum is σ = 31958651136. Its totient is φ = 10649360412.

The previous prime is 21302244091. The next prime is 21302244149. The reversal of 21302244122 is 22144220312.

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

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, 865658 + ... + 889925.

It is an arithmetic number, because the mean of its divisors is an integer number (3994831392).

Almost surely, 2^21302244122 is an apocalyptic number.

21302244122 is a deficient number, since it is larger than the sum of its proper divisors (10656407014).

21302244122 is a wasteful number, since it uses less digits than its factorization.

21302244122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761652.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 21302244122 its reverse (22144220312), we get a palindrome (43446464434).

The spelling of 21302244122 in words is "twenty-one billion, three hundred two million, two hundred forty-four thousand, one hundred twenty-two".