221022007011 has 24 divisors (see below), whose sum is σ = 343837022256. Its totient is φ = 136003648320.

The previous prime is 221022007007. The next prime is 221022007057. The reversal of 221022007011 is 110700220122.

It is a happy number.

It is not a de Polignac number, because 221022007011 - 2² = 221022007007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221022007211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1751716 + ... + 1873646.

It is an arithmetic number, because the mean of its divisors is an integer number (14326542594).

Almost surely, 2^221022007011 is an apocalyptic number.

221022007011 is a deficient number, since it is larger than the sum of its proper divisors (122815015245).

221022007011 is a wasteful number, since it uses less digits than its factorization.

221022007011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137443 (or 137440 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

Adding to 221022007011 its reverse (110700220122), we get a palindrome (331722227133).

The spelling of 221022007011 in words is "two hundred twenty-one billion, twenty-two million, seven thousand, eleven".