21103233122 has 8 divisors (see below), whose sum is σ = 31658377296. Its totient is φ = 10550440692.

The previous prime is 21103233071. The next prime is 21103233133. The reversal of 21103233122 is 22133230112.

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 = 21103233094 and 21103233103.

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 3 ways as a sum of consecutive naturals, for example, 565328 + ... + 601499.

It is an arithmetic number, because the mean of its divisors is an integer number (3957297162).

Almost surely, 2^21103233122 is an apocalyptic number.

21103233122 is a deficient number, since it is larger than the sum of its proper divisors (10555144174).

21103233122 is a wasteful number, since it uses less digits than its factorization.

21103233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175872.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21103233122 its reverse (22133230112), we get a palindrome (43236463234).

The spelling of 21103233122 in words is "twenty-one billion, one hundred three million, two hundred thirty-three thousand, one hundred twenty-two".