111111122002 has 8 divisors (see below), whose sum is σ = 172043027712. Its totient is φ = 53763446100.

The previous prime is 111111121999. The next prime is 111111122071. The reversal of 111111122002 is 200221111111.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896057374 + ... + 896057497.

It is an arithmetic number, because the mean of its divisors is an integer number (21505378464).

Almost surely, 2^111111122002 is an apocalyptic number.

111111122002 is a deficient number, since it is larger than the sum of its proper divisors (60931905710).

111111122002 is a wasteful number, since it uses less digits than its factorization.

111111122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792114904.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111111122002 its reverse (200221111111), we get a palindrome (311332233113).

The spelling of 111111122002 in words is "one hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, two".