1122001110 has 48 divisors (see below), whose sum is σ = 3070744560. Its totient is φ = 283452480.

The previous prime is 1122001109. The next prime is 1122001117. The reversal of 1122001110 is 111002211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1122001092 and 1122001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122001117) 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, 326361 + ... + 329780.

It is an arithmetic number, because the mean of its divisors is an integer number (63973845).

Almost surely, 2^1122001110 is an apocalyptic number.

1122001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122001110 is an abundant number, since it is smaller than the sum of its proper divisors (1948743450).

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

1122001110 is a wasteful number, since it uses less digits than its factorization.

1122001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656173 (or 656170 counting only the distinct ones).

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

The square root of 1122001110 is about 33496.2850178941. The cubic root of 1122001110 is about 1039.1169495133.

Adding to 1122001110 its reverse (111002211), we get a palindrome (1233003321).

The spelling of 1122001110 in words is "one billion, one hundred twenty-two million, one thousand, one hundred ten".