22101101212 has 48 divisors (see below), whose sum is σ = 41365158912. Its totient is φ = 10308070080.

The previous prime is 22101101161. The next prime is 22101101233. The reversal of 22101101212 is 21210110122.

It is a junction number, because it is equal to n+sod(n) for n = 22101101192 and 22101101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214662 + ... + 1232722.

It is an arithmetic number, because the mean of its divisors is an integer number (861774144).

Almost surely, 2^22101101212 is an apocalyptic number.

It is an amenable number.

22101101212 is a deficient number, since it is larger than the sum of its proper divisors (19264057700).

22101101212 is a wasteful number, since it uses less digits than its factorization.

22101101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18418 (or 18416 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22101101212 its reverse (21210110122), we get a palindrome (43311211334).

The spelling of 22101101212 in words is "twenty-two billion, one hundred one million, one hundred one thousand, two hundred twelve".