11001220022 has 32 divisors (see below), whose sum is σ = 18554719680. Its totient is φ = 4853882880.

The previous prime is 11001220019. The next prime is 11001220033. The reversal of 11001220022 is 22002210011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11001219985 and 11001220012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268822 + ... + 1277462.

It is an arithmetic number, because the mean of its divisors is an integer number (579834990).

Almost surely, 2^11001220022 is an apocalyptic number.

11001220022 is a deficient number, since it is larger than the sum of its proper divisors (7553499658).

11001220022 is a wasteful number, since it uses less digits than its factorization.

11001220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10808.

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

Adding to 11001220022 its reverse (22002210011), we get a palindrome (33003430033).

The spelling of 11001220022 in words is "eleven billion, one million, two hundred twenty thousand, twenty-two".