105210221133211 has 4 divisors (see below), whose sum is σ = 105220659700800. Its totient is φ = 105199782565624.

The previous prime is 105210221133049. The next prime is 105210221133287. The reversal of 105210221133211 is 112331122012501.

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 105210221133211 - 2¹¹ = 105210221131163 is a prime.

It is a super-2 number, since 2×105210221133211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105210221136211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5219268676 + ... + 5219288833.

It is an arithmetic number, because the mean of its divisors is an integer number (26305164925200).

Almost surely, 2^{105210221133211} is an apocalyptic number.

105210221133211 is a deficient number, since it is larger than the sum of its proper divisors (10438567589).

105210221133211 is a wasteful number, since it uses less digits than its factorization.

105210221133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438567588.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 105210221133211 its reverse (112331122012501), we get a palindrome (217541343145712).

The spelling of 105210221133211 in words is "one hundred five trillion, two hundred ten billion, two hundred twenty-one million, one hundred thirty-three thousand, two hundred eleven".