1111122111005 has 8 divisors (see below), whose sum is σ = 1340795397600. Its totient is φ = 883931779216.

The previous prime is 1111122110983. The next prime is 1111122111019. The reversal of 1111122111005 is 5001112211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111122111005 - 2¹⁶ = 1111122045469 is a prime.

It is a super-2 number, since 2×1111122111005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620737715 + ... + 620739504.

It is an arithmetic number, because the mean of its divisors is an integer number (167599424700).

Almost surely, 2^{1111122111005} is an apocalyptic number.

It is an amenable number.

1111122111005 is a deficient number, since it is larger than the sum of its proper divisors (229673286595).

1111122111005 is a wasteful number, since it uses less digits than its factorization.

1111122111005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241477403.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 1111122111005 its reverse (5001112211111), we get a palindrome (6112234322116).

The spelling of 1111122111005 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, five".