11220020122011 has 16 divisors (see below), whose sum is σ = 15037668797184. Its totient is φ = 7441201031264.

The previous prime is 11220020122007. The next prime is 11220020122019. The reversal of 11220020122011 is 11022102002211.

It is a cyclic number.

It is not a de Polignac number, because 11220020122011 - 2² = 11220020122007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220020122019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4169866 + ... + 6310928.

It is an arithmetic number, because the mean of its divisors is an integer number (939854299824).

Almost surely, 2^{11220020122011} is an apocalyptic number.

11220020122011 is a deficient number, since it is larger than the sum of its proper divisors (3817648675173).

11220020122011 is a wasteful number, since it uses less digits than its factorization.

11220020122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150130.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220020122011 its reverse (11022102002211), we get a palindrome (22242122124222).

The spelling of 11220020122011 in words is "eleven trillion, two hundred twenty billion, twenty million, one hundred twenty-two thousand, eleven".