1122001011103 has 4 divisors (see below), whose sum is σ = 1282286869840. Its totient is φ = 961715152368.

The previous prime is 1122001011097. The next prime is 1122001011127. The reversal of 1122001011103 is 3011101002211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122001011103 - 2³³ = 1113411076511 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 (1122001017103) 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, 80142929358 + ... + 80142929371.

It is an arithmetic number, because the mean of its divisors is an integer number (320571717460).

Almost surely, 2^{1122001011103} is an apocalyptic number.

1122001011103 is a deficient number, since it is larger than the sum of its proper divisors (160285858737).

1122001011103 is an equidigital number, since it uses as much as digits as its factorization.

1122001011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160285858736.

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

Adding to 1122001011103 its reverse (3011101002211), we get a palindrome (4133102013314).

The spelling of 1122001011103 in words is "one trillion, one hundred twenty-two billion, one million, eleven thousand, one hundred three".