111212000002122 has 16 divisors (see below), whose sum is σ = 235507764710592. Its totient is φ = 34890039216320.

The previous prime is 111212000002073. The next prime is 111212000002249. The reversal of 111212000002122 is 221200000212111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545156862654 + ... + 545156862857.

It is an arithmetic number, because the mean of its divisors is an integer number (14719235294412).

Almost surely, 2^{111212000002122} is an apocalyptic number.

111212000002122 is an abundant number, since it is smaller than the sum of its proper divisors (124295764708470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111212000002122 is a wasteful number, since it uses less digits than its factorization.

111212000002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090313725533.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111212000002122 its reverse (221200000212111), we get a palindrome (332412000214233).

The spelling of 111212000002122 in words is "one hundred eleven trillion, two hundred twelve billion, two thousand, one hundred twenty-two".