22120212110011 has 4 divisors (see below), whose sum is σ = 22120239736024. Its totient is φ = 22120184484000.

The previous prime is 22120212109991. The next prime is 22120212110047. The reversal of 22120212110011 is 11001121202122.

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 22120212110011 - 2¹⁹ = 22120211585723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120212119011) 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, 12574965 + ... + 14225686.

It is an arithmetic number, because the mean of its divisors is an integer number (5530059934006).

Almost surely, 2^{22120212110011} is an apocalyptic number.

22120212110011 is a deficient number, since it is larger than the sum of its proper divisors (27626013).

22120212110011 is an equidigital number, since it uses as much as digits as its factorization.

22120212110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27626012.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22120212110011 its reverse (11001121202122), we get a palindrome (33121333312133).

The spelling of 22120212110011 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, one hundred ten thousand, eleven".