11202021221202 has 48 divisors (see below), whose sum is σ = 27739142533440. Its totient is φ = 3200484691296.

The previous prime is 11202021221179. The next prime is 11202021221207. The reversal of 11202021221202 is 20212212020211.

It is a happy number.

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 (11202021221207) 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, 3133924 + ... + 5676752.

It is an arithmetic number, because the mean of its divisors is an integer number (577898802780).

Almost surely, 2^{11202021221202} is an apocalyptic number.

11202021221202 is an abundant number, since it is smaller than the sum of its proper divisors (16537121312238).

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

11202021221202 is a wasteful number, since it uses less digits than its factorization.

11202021221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577807 (or 2577804 counting only the distinct ones).

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

Adding to 11202021221202 its reverse (20212212020211), we get a palindrome (31414233241413).

The spelling of 11202021221202 in words is "eleven trillion, two hundred two billion, twenty-one million, two hundred twenty-one thousand, two hundred two".