10011122220222 has 96 divisors (see below), whose sum is σ = 23141204124480. Its totient is φ = 3116967644160.

The previous prime is 10011122220199. The next prime is 10011122220287. The reversal of 10011122220222 is 22202222111001.

It is a happy number.

10011122220222 is a `hidden beast` number, since 100 + 1 + 1 + 122 + 220 + 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 = 10011122220195 and 10011122220204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21563328 + ... + 22022700.

It is an arithmetic number, because the mean of its divisors is an integer number (241054209630).

Almost surely, 2^{10011122220222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10011122220222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11570602062240).

10011122220222 is an abundant number, since it is smaller than the sum of its proper divisors (13130081904258).

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

10011122220222 is a wasteful number, since it uses less digits than its factorization.

10011122220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459938 (or 459935 counting only the distinct ones).

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

Adding to 10011122220222 its reverse (22202222111001), we get a palindrome (32213344331223).

The spelling of 10011122220222 in words is "ten trillion, eleven billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".