22100221011 has 32 divisors (see below), whose sum is σ = 32394117888. Its totient is φ = 13290963840.

The previous prime is 22100220997. The next prime is 22100221037. The reversal of 22100221011 is 11012200122.

It is not a de Polignac number, because 22100221011 - 2¹⁴ = 22100204627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100221211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2576616 + ... + 2585178.

It is an arithmetic number, because the mean of its divisors is an integer number (1012316184).

Almost surely, 2^22100221011 is an apocalyptic number.

22100221011 is a deficient number, since it is larger than the sum of its proper divisors (10293896877).

22100221011 is a wasteful number, since it uses less digits than its factorization.

22100221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9171.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22100221011 its reverse (11012200122), we get a palindrome (33112421133).

The spelling of 22100221011 in words is "twenty-two billion, one hundred million, two hundred twenty-one thousand, eleven".