22111101011 has 16 divisors (see below), whose sum is σ = 23243099040. Its totient is φ = 21004515840.

The previous prime is 22111101007. The next prime is 22111101029. The reversal of 22111101011 is 11010111122.

It is a cyclic number.

It is not a de Polignac number, because 22111101011 - 2² = 22111101007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111100983 and 22111101001.

It is not an unprimeable number, because it can be changed into a prime (22111101071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705325 + ... + 1718241.

It is an arithmetic number, because the mean of its divisors is an integer number (1452693690).

Almost surely, 2^22111101011 is an apocalyptic number.

22111101011 is a deficient number, since it is larger than the sum of its proper divisors (1131998029).

22111101011 is a wasteful number, since it uses less digits than its factorization.

22111101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13894.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22111101011 its reverse (11010111122), we get a palindrome (33121212133).

The spelling of 22111101011 in words is "twenty-two billion, one hundred eleven million, one hundred one thousand, eleven".