11221201220202 has 48 divisors (see below), whose sum is σ = 24356878135200. Its totient is φ = 3733593899616.

The previous prime is 11221201220197. The next prime is 11221201220263. The reversal of 11221201220202 is 20202210212211.

It is a happy number.

11221201220202 is a `hidden beast` number, since 1 + 1 + 221 + 20 + 1 + 220 + 202 = 666.

11221201220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26322549 + ... + 26745447.

It is an arithmetic number, because the mean of its divisors is an integer number (507434961150).

Almost surely, 2^{11221201220202} is an apocalyptic number.

11221201220202 is an abundant number, since it is smaller than the sum of its proper divisors (13135676914998).

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

11221201220202 is a wasteful number, since it uses less digits than its factorization.

11221201220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425587 (or 425584 counting only the distinct ones).

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

Adding to 11221201220202 its reverse (20202210212211), we get a palindrome (31423411432413).

The spelling of 11221201220202 in words is "eleven trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty thousand, two hundred two".