10011122644 has 12 divisors (see below), whose sum is σ = 17529973300. Its totient is φ = 5002558848.

The previous prime is 10011122633. The next prime is 10011122657. The reversal of 10011122644 is 44622111001.

It can be written as a sum of positive squares in 2 ways, for example, as 7545007044 + 2466115600 = 86862^2 + 49660^2 .

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, 743109 + ... + 756460.

Almost surely, 2^10011122644 is an apocalyptic number.

It is an amenable number.

10011122644 is a deficient number, since it is larger than the sum of its proper divisors (7518850656).

10011122644 is a wasteful number, since it uses less digits than its factorization.

10011122644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501242 (or 1501240 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10011122644 its reverse (44622111001), we get a palindrome (54633233645).

The spelling of 10011122644 in words is "ten billion, eleven million, one hundred twenty-two thousand, six hundred forty-four".