1112201101123 has 4 divisors (see below), whose sum is σ = 1271086972720. Its totient is φ = 953315229528.

The previous prime is 1112201101091. The next prime is 1112201101147. The reversal of 1112201101123 is 3211011022111.

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 1112201101123 - 2⁵ = 1112201101091 is a prime.

It is a super-2 number, since 2×1112201101123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112201101097 and 1112201101106.

It is not an unprimeable number, because it can be changed into a prime (1112201101153) 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, 79442935788 + ... + 79442935801.

It is an arithmetic number, because the mean of its divisors is an integer number (317771743180).

Almost surely, 2^{1112201101123} is an apocalyptic number.

1112201101123 is a deficient number, since it is larger than the sum of its proper divisors (158885871597).

1112201101123 is an equidigital number, since it uses as much as digits as its factorization.

1112201101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158885871596.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1112201101123 its reverse (3211011022111), we get a palindrome (4323212123234).

The spelling of 1112201101123 in words is "one trillion, one hundred twelve billion, two hundred one million, one hundred one thousand, one hundred twenty-three".