221022010012 has 48 divisors (see below), whose sum is σ = 403961644800. Its totient is φ = 105712355840.

The previous prime is 221022009977. The next prime is 221022010021. The reversal of 221022010012 is 210010220122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221022009974 and 221022010001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14847189 + ... + 14862067.

It is an arithmetic number, because the mean of its divisors is an integer number (8415867600).

Almost surely, 2^221022010012 is an apocalyptic number.

It is an amenable number.

221022010012 is a deficient number, since it is larger than the sum of its proper divisors (182939634788).

221022010012 is a wasteful number, since it uses less digits than its factorization.

221022010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686 (or 16684 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221022010012 its reverse (210010220122), we get a palindrome (431032230134).

The spelling of 221022010012 in words is "two hundred twenty-one billion, twenty-two million, ten thousand, twelve".