111101120211222 has 24 divisors (see below), whose sum is σ = 253388519780760. Its totient is φ = 35084564277120.

The previous prime is 111101120211149. The next prime is 111101120211239. The reversal of 111101120211222 is 222112021101111.

It is a happy number.

111101120211222 is a `hidden beast` number, since 1 + 1 + 110 + 1 + 120 + 211 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111101120211195 and 111101120211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162428537979 + ... + 162428538662.

It is an arithmetic number, because the mean of its divisors is an integer number (10557854990865).

Almost surely, 2^{111101120211222} is an apocalyptic number.

111101120211222 is an abundant number, since it is smaller than the sum of its proper divisors (142287399569538).

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

111101120211222 is a wasteful number, since it uses less digits than its factorization.

111101120211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324857076668 (or 324857076665 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111101120211222 its reverse (222112021101111), we get a palindrome (333213141312333).

The spelling of 111101120211222 in words is "one hundred eleven trillion, one hundred one billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty-two".