10111222404 has 72 divisors (see below), whose sum is σ = 25745297760. Its totient is φ = 3345898752.

The previous prime is 10111222399. The next prime is 10111222439. The reversal of 10111222404 is 40422211101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5689164 + ... + 5690940.

It is an arithmetic number, because the mean of its divisors is an integer number (357573580).

Almost surely, 2^10111222404 is an apocalyptic number.

It is an amenable number.

10111222404 is an abundant number, since it is smaller than the sum of its proper divisors (15634075356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111222404 is a wasteful number, since it uses less digits than its factorization.

10111222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10111222404 its reverse (40422211101), we get a palindrome (50533433505).

The spelling of 10111222404 in words is "ten billion, one hundred eleven million, two hundred twenty-two thousand, four hundred four".