11122220021202 has 48 divisors (see below), whose sum is σ = 24293896773120. Its totient is φ = 3677335037376.

The previous prime is 11122220021201. The next prime is 11122220021203. The reversal of 11122220021202 is 20212002222111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11122220021201) and next prime (11122220021203).

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 (11122220021201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1171999 + ... + 4859837.

It is an arithmetic number, because the mean of its divisors is an integer number (506122849440).

Almost surely, 2^{11122220021202} is an apocalyptic number.

11122220021202 is an abundant number, since it is smaller than the sum of its proper divisors (13171676751918).

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

11122220021202 is a wasteful number, since it uses less digits than its factorization.

11122220021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689207 (or 3689204 counting only the distinct ones).

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

Adding to 11122220021202 its reverse (20212002222111), we get a palindrome (31334222243313).

The spelling of 11122220021202 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred two".