22105571211 has 6 divisors (see below), whose sum is σ = 31930269540. Its totient is φ = 14737047468.

The previous prime is 22105571209. The next prime is 22105571251. The reversal of 22105571211 is 11217550122.

It is not a de Polignac number, because 22105571211 - 2¹ = 22105571209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22105571251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1228087281 + ... + 1228087298.

It is an arithmetic number, because the mean of its divisors is an integer number (5321711590).

Almost surely, 2^22105571211 is an apocalyptic number.

22105571211 is a deficient number, since it is larger than the sum of its proper divisors (9824698329).

22105571211 is a wasteful number, since it uses less digits than its factorization.

22105571211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456174585 (or 2456174582 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The spelling of 22105571211 in words is "twenty-two billion, one hundred five million, five hundred seventy-one thousand, two hundred eleven".