1122000111 has 24 divisors (see below), whose sum is σ = 1691976000. Its totient is φ = 715563072.

The previous prime is 1122000101. The next prime is 1122000133. The reversal of 1122000111 is 1110002211.

It is a happy number.

It is not a de Polignac number, because 1122000111 - 2¹¹ = 1121998063 is a prime.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1122000093 and 1122000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122000101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8730 + ... + 48168.

It is an arithmetic number, because the mean of its divisors is an integer number (70499000).

Almost surely, 2^1122000111 is an apocalyptic number.

1122000111 is a deficient number, since it is larger than the sum of its proper divisors (569975889).

1122000111 is a wasteful number, since it uses less digits than its factorization.

1122000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39583 (or 39580 counting only the distinct ones).

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

The square root of 1122000111 is about 33496.2701057894. The cubic root of 1122000111 is about 1039.1166411125.

Adding to 1122000111 its reverse (1110002211), we get a palindrome (2232002322).

The spelling of 1122000111 in words is "one billion, one hundred twenty-two million, one hundred eleven", and thus it is an aban number.