22010111001211 has 4 divisors (see below), whose sum is σ = 22019308709832. Its totient is φ = 22000913292592.

The previous prime is 22010111001157. The next prime is 22010111001223. The reversal of 22010111001211 is 11210011101022.

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 22010111001211 - 2⁹ = 22010111000699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010111001191 and 22010111001200.

It is not an unprimeable number, because it can be changed into a prime (22010111001611) 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 3 ways as a sum of consecutive naturals, for example, 4598850721 + ... + 4598855506.

It is an arithmetic number, because the mean of its divisors is an integer number (5504827177458).

Almost surely, 2^{22010111001211} is an apocalyptic number.

22010111001211 is a deficient number, since it is larger than the sum of its proper divisors (9197708621).

22010111001211 is an equidigital number, since it uses as much as digits as its factorization.

22010111001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197708620.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22010111001211 its reverse (11210011101022), we get a palindrome (33220122102233).

The spelling of 22010111001211 in words is "twenty-two trillion, ten billion, one hundred eleven million, one thousand, two hundred eleven".