22102201012 has 24 divisors (see below), whose sum is σ = 39581136000. Its totient is φ = 10794249600.

The previous prime is 22102200997. The next prime is 22102201013. The reversal of 22102201012 is 21010220122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22102200983 and 22102201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102201013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23989 + ... + 211612.

It is an arithmetic number, because the mean of its divisors is an integer number (1649214000).

Almost surely, 2^22102201012 is an apocalyptic number.

It is an amenable number.

22102201012 is a deficient number, since it is larger than the sum of its proper divisors (17478934988).

22102201012 is a wasteful number, since it uses less digits than its factorization.

22102201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236151 (or 236149 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22102201012 its reverse (21010220122), we get a palindrome (43112421134).

The spelling of 22102201012 in words is "twenty-two billion, one hundred two million, two hundred one thousand, twelve".