21233313122 has 16 divisors (see below), whose sum is σ = 36610373952. Its totient is φ = 9047389200.

The previous prime is 21233313109. The next prime is 21233313131. The reversal of 21233313122 is 22131333212.

It is a super-2 number, since 2×21233313122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4381004 + ... + 4385847.

It is an arithmetic number, because the mean of its divisors is an integer number (2288148372).

Almost surely, 2^21233313122 is an apocalyptic number.

21233313122 is a deficient number, since it is larger than the sum of its proper divisors (15377060830).

21233313122 is a wasteful number, since it uses less digits than its factorization.

21233313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767033.

The product of its digits is 1296, while the sum is 23.

Adding to 21233313122 its reverse (22131333212), we get a palindrome (43364646334).

The spelling of 21233313122 in words is "twenty-one billion, two hundred thirty-three million, three hundred thirteen thousand, one hundred twenty-two".