22222011210102 has 256 divisors, whose sum is σ = 58423118054400. Its totient is φ = 6185936148480.

The previous prime is 22222011210089. The next prime is 22222011210109. The reversal of 22222011210102 is 20101211022222.

It is a happy number.

22222011210102 is a `hidden beast` number, since 222 + 220 + 1 + 1 + 210 + 10 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222011210109) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 73595028 + ... + 73896360.

It is an arithmetic number, because the mean of its divisors is an integer number (228215304900).

Almost surely, 2^{22222011210102} is an apocalyptic number.

22222011210102 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 22222011210102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29211559027200).

22222011210102 is an abundant number, since it is smaller than the sum of its proper divisors (36201106844298).

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

22222011210102 is a wasteful number, since it uses less digits than its factorization.

22222011210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301548 (or 301542 counting only the distinct ones).

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

Adding to 22222011210102 its reverse (20101211022222), we get a palindrome (42323222232324).

The spelling of 22222011210102 in words is "twenty-two trillion, two hundred twenty-two billion, eleven million, two hundred ten thousand, one hundred two".