22101311011 has 8 divisors (see below), whose sum is σ = 24354933680. Its totient is φ = 19926762912.

The previous prime is 22101311009. The next prime is 22101311051. The reversal of 22101311011 is 11011310122.

It is a happy number.

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 22101311011 - 2¹ = 22101311009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101310982 and 22101311000.

It is not an unprimeable number, because it can be changed into a prime (22101311051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19768056 + ... + 19769173.

It is an arithmetic number, because the mean of its divisors is an integer number (3044366710).

Almost surely, 2^22101311011 is an apocalyptic number.

22101311011 is a deficient number, since it is larger than the sum of its proper divisors (2253622669).

22101311011 is a wasteful number, since it uses less digits than its factorization.

22101311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39537285.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 22101311011 its reverse (11011310122), we get a palindrome (33112621133).

The spelling of 22101311011 in words is "twenty-two billion, one hundred one million, three hundred eleven thousand, eleven".