22141621211 has 4 divisors (see below), whose sum is σ = 22146926232. Its totient is φ = 22136316192.

The previous prime is 22141621193. The next prime is 22141621223. The reversal of 22141621211 is 11212614122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11212614122 = 2 ⋅5606307061.

It is a cyclic number.

It is not a de Polignac number, because 22141621211 - 2¹⁰ = 22141620187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22141621261) 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, 2646245 + ... + 2654598.

It is an arithmetic number, because the mean of its divisors is an integer number (5536731558).

Almost surely, 2^22141621211 is an apocalyptic number.

22141621211 is a deficient number, since it is larger than the sum of its proper divisors (5305021).

22141621211 is an equidigital number, since it uses as much as digits as its factorization.

22141621211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305020.

The product of its digits is 384, while the sum is 23.

The spelling of 22141621211 in words is "twenty-two billion, one hundred forty-one million, six hundred twenty-one thousand, two hundred eleven".