22011000212 has 12 divisors (see below), whose sum is σ = 38520847680. Its totient is φ = 11005043736.

The previous prime is 22011000199. The next prime is 22011000217. The reversal of 22011000212 is 21200011022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22011000193 and 22011000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011000217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9239 + ... + 210017.

It is an arithmetic number, because the mean of its divisors is an integer number (3210070640).

Almost surely, 2^22011000212 is an apocalyptic number.

It is an amenable number.

22011000212 is a deficient number, since it is larger than the sum of its proper divisors (16509847468).

22011000212 is a wasteful number, since it uses less digits than its factorization.

22011000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228190 (or 228188 counting only the distinct ones).

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

Adding to 22011000212 its reverse (21200011022), we get a palindrome (43211011234).

The spelling of 22011000212 in words is "twenty-two billion, eleven million, two hundred twelve", and thus it is an aban number.