22012130210111 has 4 divisors (see below), whose sum is σ = 22015806870552. Its totient is φ = 22008453549672.

The previous prime is 22012130210039. The next prime is 22012130210137. The reversal of 22012130210111 is 11101203121022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22012130210111 - 2³⁴ = 21994950340927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012130210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012130210711) 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, 1838321240 + ... + 1838333213.

It is an arithmetic number, because the mean of its divisors is an integer number (5503951717638).

Almost surely, 2^{22012130210111} is an apocalyptic number.

22012130210111 is a deficient number, since it is larger than the sum of its proper divisors (3676660441).

22012130210111 is an equidigital number, since it uses as much as digits as its factorization.

22012130210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676660440.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22012130210111 its reverse (11101203121022), we get a palindrome (33113333331133).

The spelling of 22012130210111 in words is "twenty-two trillion, twelve billion, one hundred thirty million, two hundred ten thousand, one hundred eleven".