22111020011 has 16 divisors (see below), whose sum is σ = 22786305696. Its totient is φ = 21442560000.

The previous prime is 22111019993. The next prime is 22111020017. The reversal of 22111020011 is 11002011122.

It is a cyclic number.

It is not a de Polignac number, because 22111020011 - 2³⁴ = 4931150827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111019974 and 22111020001.

It is not an unprimeable number, because it can be changed into a prime (22111020017) 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, 6331976 + ... + 6335466.

It is an arithmetic number, because the mean of its divisors is an integer number (1424144106).

Almost surely, 2^22111020011 is an apocalyptic number.

22111020011 is a deficient number, since it is larger than the sum of its proper divisors (675285685).

22111020011 is a wasteful number, since it uses less digits than its factorization.

22111020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22111020011 its reverse (11002011122), we get a palindrome (33113031133).

The spelling of 22111020011 in words is "twenty-two billion, one hundred eleven million, twenty thousand, eleven".