10011221222 has 8 divisors (see below), whose sum is σ = 15900174936. Its totient is φ = 4711162912.

The previous prime is 10011221203. The next prime is 10011221249. The reversal of 10011221222 is 22212211001.

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 = 10011221197 and 10011221206.

It is a congruent number.

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, 147223808 + ... + 147223875.

It is an arithmetic number, because the mean of its divisors is an integer number (1987521867).

Almost surely, 2^10011221222 is an apocalyptic number.

10011221222 is a deficient number, since it is larger than the sum of its proper divisors (5888953714).

10011221222 is a wasteful number, since it uses less digits than its factorization.

10011221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294447702.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10011221222 its reverse (22212211001), we get a palindrome (32223432223).

The spelling of 10011221222 in words is "ten billion, eleven million, two hundred twenty-one thousand, two hundred twenty-two".