111122002005 has 32 divisors (see below), whose sum is σ = 207517814784. Its totient is φ = 49717805376.

The previous prime is 111122001997. The next prime is 111122002027. The reversal of 111122002005 is 500200221111.

It is not a de Polignac number, because 111122002005 - 2³ = 111122001997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11253627 + ... + 11263496.

It is an arithmetic number, because the mean of its divisors is an integer number (6484931712).

Almost surely, 2^111122002005 is an apocalyptic number.

111122002005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111122002005 is a deficient number, since it is larger than the sum of its proper divisors (96395812779).

111122002005 is a wasteful number, since it uses less digits than its factorization.

111122002005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22517185.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 111122002005 its reverse (500200221111), we get a palindrome (611322223116).

The spelling of 111122002005 in words is "one hundred eleven billion, one hundred twenty-two million, two thousand, five".