11001220020002 has 4 divisors (see below), whose sum is σ = 16501830030006. Its totient is φ = 5500610010000.

The previous prime is 11001220020001. The next prime is 11001220020013. The reversal of 11001220020002 is 20002002210011.

It is a happy number.

11001220020002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7363728077161 + 3637491942841 = 2713619^2 + 1907221^2 .

It is not an unprimeable number, because it can be changed into a prime (11001220020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750305004999 + ... + 2750305005002.

Almost surely, 2^{11001220020002} is an apocalyptic number.

11001220020002 is a deficient number, since it is larger than the sum of its proper divisors (5500610010004).

11001220020002 is an equidigital number, since it uses as much as digits as its factorization.

11001220020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500610010003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11001220020002 its reverse (20002002210011), we get a palindrome (31003222230013).

The spelling of 11001220020002 in words is "eleven trillion, one billion, two hundred twenty million, twenty thousand, two".