111222201022 has 8 divisors (see below), whose sum is σ = 166895398656. Its totient is φ = 55590401472.

The previous prime is 111222200981. The next prime is 111222201029. The reversal of 111222201022 is 220102222111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111222200987 and 111222201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222201029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10342803 + ... + 10353550.

It is an arithmetic number, because the mean of its divisors is an integer number (20861924832).

Almost surely, 2^111222201022 is an apocalyptic number.

111222201022 is a deficient number, since it is larger than the sum of its proper divisors (55673197634).

111222201022 is a wasteful number, since it uses less digits than its factorization.

111222201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20699042.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111222201022 its reverse (220102222111), we get a palindrome (331324423133).

The spelling of 111222201022 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred one thousand, twenty-two".