10011220444 has 12 divisors (see below), whose sum is σ = 17522635144. Its totient is φ = 5004753264.

The previous prime is 10011220393. The next prime is 10011220459. The reversal of 10011220444 is 44402211001.

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, 187587 + ... + 234970.

Almost surely, 2^10011220444 is an apocalyptic number.

It is an amenable number.

10011220444 is a deficient number, since it is larger than the sum of its proper divisors (7511414700).

10011220444 is a wasteful number, since it uses less digits than its factorization.

10011220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428484 (or 428482 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10011220444 its reverse (44402211001), we get a palindrome (54413431445).

The spelling of 10011220444 in words is "ten billion, eleven million, two hundred twenty thousand, four hundred forty-four".