10111122 has 64 divisors (see below), whose sum is σ = 26818560. Its totient is φ = 2760912.

The previous prime is 10111121. The next prime is 10111139. The reversal of 10111122 is 22111101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10111121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8113 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (419040).

Almost surely, 2^10111122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13409280).

10111122 is an abundant number, since it is smaller than the sum of its proper divisors (16707438).

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

10111122 is a wasteful number, since it uses less digits than its factorization.

10111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 10111122 is about 3179.7990502546. The cubic root of 10111122 is about 216.2385481813.

Adding to 10111122 its reverse (22111101), we get a palindrome (32222223).

The spelling of 10111122 in words is "ten million, one hundred eleven thousand, one hundred twenty-two".