1122311103 has 4 divisors (see below), whose sum is σ = 1496414808. Its totient is φ = 748207400.

The previous prime is 1122311089. The next prime is 1122311119. The reversal of 1122311103 is 3011132211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011132211 = 3 ⋅1003710737.

It is a cyclic number.

It is not a de Polignac number, because 1122311103 - 2¹² = 1122307007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122311153) 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, 187051848 + ... + 187051853.

It is an arithmetic number, because the mean of its divisors is an integer number (374103702).

Almost surely, 2^1122311103 is an apocalyptic number.

1122311103 is a deficient number, since it is larger than the sum of its proper divisors (374103705).

1122311103 is an equidigital number, since it uses as much as digits as its factorization.

1122311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374103704.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1122311103 is about 33500.9119726613. The cubic root of 1122311103 is about 1039.2126384618.

Adding to 1122311103 its reverse (3011132211), we get a palindrome (4133443314).

The spelling of 1122311103 in words is "one billion, one hundred twenty-two million, three hundred eleven thousand, one hundred three".