111121111022122 has 8 divisors (see below), whose sum is σ = 166681720656576. Its totient is φ = 55560537469932.

The previous prime is 111121111022083. The next prime is 111121111022179. The reversal of 111121111022122 is 221220111121111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111121111022122.

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, 829953 + ... + 14930875.

It is an arithmetic number, because the mean of its divisors is an integer number (20835215082072).

Almost surely, 2^{111121111022122} is an apocalyptic number.

111121111022122 is a deficient number, since it is larger than the sum of its proper divisors (55560609634454).

111121111022122 is a wasteful number, since it uses less digits than its factorization.

111121111022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18041132.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111121111022122 its reverse (221220111121111), we get a palindrome (332341222143233).

The spelling of 111121111022122 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, one hundred twenty-two".