111110121212122 has 8 divisors (see below), whose sum is σ = 176469016042836. Its totient is φ = 52287115864512.

The previous prime is 111110121212099. The next prime is 111110121212179. The reversal of 111110121212122 is 221212121011111.

It can be written as a sum of positive squares in 2 ways, for example, as 106973904866761 + 4136216345361 = 10342819^2 + 2033769^2 .

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 111110121212122.

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, 1633972370733 + ... + 1633972370800.

Almost surely, 2^{111110121212122} is an apocalyptic number.

111110121212122 is a deficient number, since it is larger than the sum of its proper divisors (65358894830714).

111110121212122 is a wasteful number, since it uses less digits than its factorization.

111110121212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267944741552.

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

Adding to 111110121212122 its reverse (221212121011111), we get a palindrome (332322242223233).

The spelling of 111110121212122 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty-two".