22110001012 has 72 divisors (see below), whose sum is σ = 44147742912. Its totient is φ = 9607584000.

The previous prime is 22110001007. The next prime is 22110001019. The reversal of 22110001012 is 21010001122.

It is a self number, because there is not a number n which added to its sum of digits gives 22110001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110001019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3808512 + ... + 3814312.

It is an arithmetic number, because the mean of its divisors is an integer number (613163096).

Almost surely, 2^22110001012 is an apocalyptic number.

22110001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22110001012 is a deficient number, since it is larger than the sum of its proper divisors (22037741900).

22110001012 is a wasteful number, since it uses less digits than its factorization.

22110001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977 (or 5946 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22110001012 its reverse (21010001122), we get a palindrome (43120002134).

The spelling of 22110001012 in words is "twenty-two billion, one hundred ten million, one thousand, twelve".