22101331011 has 4 divisors (see below), whose sum is σ = 29468441352. Its totient is φ = 14734220672.

The previous prime is 22101331009. The next prime is 22101331019. The reversal of 22101331011 is 11013310122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22101331011 - 2¹ = 22101331009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101331019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683555166 + ... + 3683555171.

It is an arithmetic number, because the mean of its divisors is an integer number (7367110338).

Almost surely, 2^22101331011 is an apocalyptic number.

22101331011 is a deficient number, since it is larger than the sum of its proper divisors (7367110341).

22101331011 is an equidigital number, since it uses as much as digits as its factorization.

22101331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367110340.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 22101331011 its reverse (11013310122), we get a palindrome (33114641133).

The spelling of 22101331011 in words is "twenty-two billion, one hundred one million, three hundred thirty-one thousand, eleven".