1122011101 has 4 divisors (see below), whose sum is σ = 1188011772. Its totient is φ = 1056010432.

The previous prime is 1122011089. The next prime is 1122011129. The reversal of 1122011101 is 1011102211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 420291001 + 701720100 = 20501^2 + 26490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122011101 - 2⁵ = 1122011069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122011801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33000310 + ... + 33000343.

It is an arithmetic number, because the mean of its divisors is an integer number (297002943).

Almost surely, 2^1122011101 is an apocalyptic number.

It is an amenable number.

1122011101 is a deficient number, since it is larger than the sum of its proper divisors (66000671).

1122011101 is an equidigital number, since it uses as much as digits as its factorization.

1122011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66000670.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1122011101 is about 33496.4341535036. The cubic root of 1122011101 is about 1039.1200338200.

Adding to 1122011101 its reverse (1011102211), we get a palindrome (2133113312).

The spelling of 1122011101 in words is "one billion, one hundred twenty-two million, eleven thousand, one hundred one".