111222121101222 has 32 divisors (see below), whose sum is σ = 229110851340000. Its totient is φ = 35968680972288.

The previous prime is 111222121101211. The next prime is 111222121101323. The reversal of 111222121101222 is 222101121222111.

111222121101222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717688347 + ... + 717843302.

It is an arithmetic number, because the mean of its divisors is an integer number (7159714104375).

Almost surely, 2^{111222121101222} is an apocalyptic number.

111222121101222 is an abundant number, since it is smaller than the sum of its proper divisors (117888730238778).

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

111222121101222 is a wasteful number, since it uses less digits than its factorization.

111222121101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435532040.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111222121101222 its reverse (222101121222111), we get a palindrome (333323242323333).

The spelling of 111222121101222 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty-two".