21226112332 has 12 divisors (see below), whose sum is σ = 38426582880. Its totient is φ = 10247088656.

The previous prime is 21226112321. The next prime is 21226112339. The reversal of 21226112332 is 23321162212.

It is a junction number, because it is equal to n+sod(n) for n = 21226112297 and 21226112306.

It is not an unprimeable number, because it can be changed into a prime (21226112339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91491748 + ... + 91491979.

It is an arithmetic number, because the mean of its divisors is an integer number (3202215240).

Almost surely, 2^21226112332 is an apocalyptic number.

It is an amenable number.

21226112332 is a deficient number, since it is larger than the sum of its proper divisors (17200470548).

21226112332 is a wasteful number, since it uses less digits than its factorization.

21226112332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182983760 (or 182983758 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 21226112332 its reverse (23321162212), we get a palindrome (44547274544).

The spelling of 21226112332 in words is "twenty-one billion, two hundred twenty-six million, one hundred twelve thousand, three hundred thirty-two".