22110110001212 has 24 divisors (see below), whose sum is σ = 39461220903552. Its totient is φ = 10836712526400.

The previous prime is 22110110001157. The next prime is 22110110001251. The reversal of 22110110001212 is 21210001101122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154561964 + ... + 154704947.

It is an arithmetic number, because the mean of its divisors is an integer number (1644217537648).

Almost surely, 2^{22110110001212} is an apocalyptic number.

It is an amenable number.

22110110001212 is a deficient number, since it is larger than the sum of its proper divisors (17351110902340).

22110110001212 is a wasteful number, since it uses less digits than its factorization.

22110110001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309267269 (or 309267267 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22110110001212 its reverse (21210001101122), we get a palindrome (43320111102334).

The spelling of 22110110001212 in words is "twenty-two trillion, one hundred ten billion, one hundred ten million, one thousand, two hundred twelve".