22012120012011 has 8 divisors (see below), whose sum is σ = 29350918233600. Its totient is φ = 14674034232552.

The previous prime is 22012120011977. The next prime is 22012120012021. The reversal of 22012120012011 is 11021002121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22012120012011 - 2⁹ = 22012120011499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012120012021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 178038435 + ... + 178162028.

It is an arithmetic number, because the mean of its divisors is an integer number (3668864779200).

Almost surely, 2^{22012120012011} is an apocalyptic number.

22012120012011 is a deficient number, since it is larger than the sum of its proper divisors (7338798221589).

22012120012011 is a wasteful number, since it uses less digits than its factorization.

22012120012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356221065.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012120012011 its reverse (11021002121022), we get a palindrome (33033122133033).

The spelling of 22012120012011 in words is "twenty-two trillion, twelve billion, one hundred twenty million, twelve thousand, eleven".