11202221122011 has 32 divisors (see below), whose sum is σ = 17565866572800. Its totient is φ = 7035998087520.

The previous prime is 11202221121983. The next prime is 11202221122021. The reversal of 11202221122011 is 11022112220211.

11202221122011 is a `hidden beast` number, since 11 + 202 + 221 + 1 + 220 + 11 = 666.

It is not a de Polignac number, because 11202221122011 - 2⁶ = 11202221121947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202221122021) 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 31 ways as a sum of consecutive naturals, for example, 60229491 + ... + 60415196.

It is an arithmetic number, because the mean of its divisors is an integer number (548933330400).

Almost surely, 2^{11202221122011} is an apocalyptic number.

11202221122011 is a deficient number, since it is larger than the sum of its proper divisors (6363645450789).

11202221122011 is a wasteful number, since it uses less digits than its factorization.

11202221122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120644896 (or 120644890 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11202221122011 its reverse (11022112220211), we get a palindrome (22224333342222).

The spelling of 11202221122011 in words is "eleven trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, eleven".