22021011105 has 8 divisors (see below), whose sum is σ = 35233617792. Its totient is φ = 11744539248.

The previous prime is 22021011083. The next prime is 22021011109. The reversal of 22021011105 is 50111012022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22021011105 - 2⁵ = 22021011073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1468067407 = 22021011105 / (2 + 2 + 0 + 2 + 1 + 0 + 1 + 1 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (22021011109) 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, 734033689 + ... + 734033718.

It is an arithmetic number, because the mean of its divisors is an integer number (4404202224).

Almost surely, 2^22021011105 is an apocalyptic number.

It is an amenable number.

22021011105 is a deficient number, since it is larger than the sum of its proper divisors (13212606687).

22021011105 is a wasteful number, since it uses less digits than its factorization.

22021011105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468067415.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 22021011105 its reverse (50111012022), we get a palindrome (72132023127).

The spelling of 22021011105 in words is "twenty-two billion, twenty-one million, eleven thousand, one hundred five".