1111412221123 has 4 divisors (see below), whose sum is σ = 1147264228288. Its totient is φ = 1075560213960.

The previous prime is 1111412221111. The next prime is 1111412221141. The reversal of 1111412221123 is 3211222141111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111412221123 is a prime.

It is a super-2 number, since 2×1111412221123² (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 = 1111412221094 and 1111412221103.

It is not an unprimeable number, because it can be changed into a prime (1111422221123) 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, 17926003536 + ... + 17926003597.

It is an arithmetic number, because the mean of its divisors is an integer number (286816057072).

Almost surely, 2^{1111412221123} is an apocalyptic number.

1111412221123 is a deficient number, since it is larger than the sum of its proper divisors (35852007165).

1111412221123 is an equidigital number, since it uses as much as digits as its factorization.

1111412221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35852007164.

The product of its digits is 192, while the sum is 22.

Adding to 1111412221123 its reverse (3211222141111), we get a palindrome (4322634362234).

The spelling of 1111412221123 in words is "one trillion, one hundred eleven billion, four hundred twelve million, two hundred twenty-one thousand, one hundred twenty-three".