222101010111222 has 192 divisors, whose sum is σ = 539673905219904. Its totient is φ = 65421257195520.

The previous prime is 222101010111131. The next prime is 222101010111283. The reversal of 222101010111222 is 222111010101222.

222101010111222 is a `hidden beast` number, since 22 + 210 + 101 + 0 + 111 + 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 = 222101010111195 and 222101010111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68275746948 + ... + 68275750200.

It is an arithmetic number, because the mean of its divisors is an integer number (2810801589687).

Almost surely, 2^{222101010111222} is an apocalyptic number.

222101010111222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222101010111222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269836952609952).

222101010111222 is an abundant number, since it is smaller than the sum of its proper divisors (317572895108682).

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

222101010111222 is a wasteful number, since it uses less digits than its factorization.

222101010111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222101010111222 its reverse (222111010101222), we get a palindrome (444212020212444).

The spelling of 222101010111222 in words is "two hundred twenty-two trillion, one hundred one billion, ten million, one hundred eleven thousand, two hundred twenty-two".