11000120022 has 24 divisors (see below), whose sum is σ = 23839521264. Its totient is φ = 3665794704.

The previous prime is 11000120009. The next prime is 11000120023. The reversal of 11000120022 is 22002100011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11000119986 and 11000120013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000120023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463 + ... + 148325.

It is an arithmetic number, because the mean of its divisors is an integer number (993313386).

Almost surely, 2^11000120022 is an apocalyptic number.

11000120022 is an abundant number, since it is smaller than the sum of its proper divisors (12839401242).

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

11000120022 is a wasteful number, since it uses less digits than its factorization.

11000120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152004 (or 152001 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11000120022 its reverse (22002100011), we get a palindrome (33002220033).

The spelling of 11000120022 in words is "eleven billion, one hundred twenty thousand, twenty-two".