11021220122202 has 96 divisors (see below), whose sum is σ = 26311737928320. Its totient is φ = 3318561671040.

The previous prime is 11021220122201. The next prime is 11021220122207. The reversal of 11021220122202 is 20222102212011.

It is a happy number.

11021220122202 is a `hidden beast` number, since 110 + 212 + 20 + 122 + 202 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11021220122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283552 + ... + 4703492.

It is an arithmetic number, because the mean of its divisors is an integer number (274080603420).

Almost surely, 2^{11021220122202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021220122202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13155868964160).

11021220122202 is an abundant number, since it is smaller than the sum of its proper divisors (15290517806118).

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

11021220122202 is a wasteful number, since it uses less digits than its factorization.

11021220122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420308 (or 4420305 counting only the distinct ones).

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

Adding to 11021220122202 its reverse (20222102212011), we get a palindrome (31243322334213).

It can be divided in two parts, 11021220122 and 202, that added together give a square (11021220324 = 104982²).

The spelling of 11021220122202 in words is "eleven trillion, twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred two".