222100011102222 has 192 divisors, whose sum is σ = 554955114954240. Its totient is φ = 63488798956800.

The previous prime is 222100011102187. The next prime is 222100011102269. The reversal of 222100011102222 is 222201110001222.

It is a happy number.

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 = 222100011102195 and 222100011102204.

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, 885310188 + ... + 885561024.

It is an arithmetic number, because the mean of its divisors is an integer number (2890391223720).

Almost surely, 2^{222100011102222} is an apocalyptic number.

222100011102222 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 222100011102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277477557477120).

222100011102222 is an abundant number, since it is smaller than the sum of its proper divisors (332855103852018).

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

222100011102222 is a wasteful number, since it uses less digits than its factorization.

222100011102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251879 (or 251876 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222100011102222 its reverse (222201110001222), we get a palindrome (444301121103444).

The spelling of 222100011102222 in words is "two hundred twenty-two trillion, one hundred billion, eleven million, one hundred two thousand, two hundred twenty-two".