111211221000122 has 8 divisors (see below), whose sum is σ = 166816905643872. Its totient is φ = 55605585785500.

The previous prime is 111211221000101. The next prime is 111211221000161. The reversal of 111211221000122 is 221000122112111.

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 111211221000122.

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, 6098504 + ... + 16112547.

It is an arithmetic number, because the mean of its divisors is an integer number (20852113205484).

Almost surely, 2^{111211221000122} is an apocalyptic number.

111211221000122 is a deficient number, since it is larger than the sum of its proper divisors (55605684643750).

111211221000122 is a wasteful number, since it uses less digits than its factorization.

111211221000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24714564.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111211221000122 its reverse (221000122112111), we get a palindrome (332211343112233).

The spelling of 111211221000122 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.