22111221021011 has 8 divisors (see below), whose sum is σ = 22184556735744. Its totient is φ = 22037899656520.

The previous prime is 22111221020927. The next prime is 22111221021041. The reversal of 22111221021011 is 11012012211122.

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

It is a cyclic number.

It is not a de Polignac number, because 22111221021011 - 2¹⁴ = 22111221004627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111221021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496391 + ... + 6668496.

It is an arithmetic number, because the mean of its divisors is an integer number (2773069591968).

Almost surely, 2^{22111221021011} is an apocalyptic number.

22111221021011 is a deficient number, since it is larger than the sum of its proper divisors (73335714733).

22111221021011 is an equidigital number, since it uses as much as digits as its factorization.

22111221021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175121.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111221021011 its reverse (11012012211122), we get a palindrome (33123233232133).

The spelling of 22111221021011 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-one million, twenty-one thousand, eleven".