22110143212 has 12 divisors (see below), whose sum is σ = 40729211320. Its totient is φ = 10473225696.

The previous prime is 22110143201. The next prime is 22110143221. The reversal of 22110143212 is 21234101122.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22110143212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145461393 + ... + 145461544.

Almost surely, 2^22110143212 is an apocalyptic number.

It is an amenable number.

22110143212 is a deficient number, since it is larger than the sum of its proper divisors (18619068108).

22110143212 is a wasteful number, since it uses less digits than its factorization.

22110143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290922960 (or 290922958 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22110143212 its reverse (21234101122), we get a palindrome (43344244334).

The spelling of 22110143212 in words is "twenty-two billion, one hundred ten million, one hundred forty-three thousand, two hundred twelve".