22110002012 has 24 divisors (see below), whose sum is σ = 44542785504. Its totient is φ = 9406547712.

The previous prime is 22110002003. The next prime is 22110002029. The reversal of 22110002012 is 21020001122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22110001984 and 22110002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878073 + ... + 2885744.

It is an arithmetic number, because the mean of its divisors is an integer number (1855949396).

Almost surely, 2^22110002012 is an apocalyptic number.

It is an amenable number.

22110002012 is an abundant number, since it is smaller than the sum of its proper divisors (22432783492).

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

22110002012 is a wasteful number, since it uses less digits than its factorization.

22110002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763965 (or 5763963 counting only the distinct ones).

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

Adding to 22110002012 its reverse (21020001122), we get a palindrome (43130003134).

The spelling of 22110002012 in words is "twenty-two billion, one hundred ten million, two thousand, twelve".