11001001122 has 16 divisors (see below), whose sum is σ = 24446669280. Its totient is φ = 3667000356.

The previous prime is 11001001097. The next prime is 11001001129. The reversal of 11001001122 is 22110010011.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11001001129) 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 7 ways as a sum of consecutive naturals, for example, 101861068 + ... + 101861175.

It is an arithmetic number, because the mean of its divisors is an integer number (1527916830).

Almost surely, 2^11001001122 is an apocalyptic number.

11001001122 is an abundant number, since it is smaller than the sum of its proper divisors (13445668158).

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

11001001122 is a wasteful number, since it uses less digits than its factorization.

11001001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203722254 (or 203722248 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001001122 its reverse (22110010011), we get a palindrome (33111011133).

It can be divided in two parts, 110010011 and 22, that multiplied together give a palindrome (2420220242).

The spelling of 11001001122 in words is "eleven billion, one million, one thousand, one hundred twenty-two".