1122011113 has 8 divisors (see below), whose sum is σ = 1143938376. Its totient is φ = 1100112000.

The previous prime is 1122011089. The next prime is 1122011129. The reversal of 1122011113 is 3111102211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 313006864 + 809004249 = 17692^2 + 28443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122011113 - 2⁵ = 1122011081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122011093 and 1122011102.

It is not an unprimeable number, because it can be changed into a prime (1122012113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85063 + ... + 97363.

It is an arithmetic number, because the mean of its divisors is an integer number (142992297).

Almost surely, 2^1122011113 is an apocalyptic number.

It is an amenable number.

1122011113 is a deficient number, since it is larger than the sum of its proper divisors (21927263).

1122011113 is a wasteful number, since it uses less digits than its factorization.

1122011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1122011113 is about 33496.4343326271. The cubic root of 1122011113 is about 1039.1200375245.

Adding to 1122011113 its reverse (3111102211), we get a palindrome (4233113324).

The spelling of 1122011113 in words is "one billion, one hundred twenty-two million, eleven thousand, one hundred thirteen".