120111222 has 128 divisors (see below), whose sum is σ = 325721088. Its totient is φ = 28569600.

The previous prime is 120111191. The next prime is 120111223. The reversal of 120111222 is 222111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111198 and 120111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 321828 + ... + 322200.

It is an arithmetic number, because the mean of its divisors is an integer number (2544696).

Almost surely, 2^120111222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120111222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162860544).

120111222 is an abundant number, since it is smaller than the sum of its proper divisors (205609866).

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

120111222 is a wasteful number, since it uses less digits than its factorization.

120111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120111222 is about 10959.5265408685. The cubic root of 120111222 is about 493.3947550544.

Adding to 120111222 its reverse (222111021), we get a palindrome (342222243).

The spelling of 120111222 in words is "one hundred twenty million, one hundred eleven thousand, two hundred twenty-two".