106561610211 has 24 divisors (see below), whose sum is σ = 165296381184. Its totient is φ = 60886030800.

The previous prime is 106561610209. The next prime is 106561610227. The reversal of 106561610211 is 112016165601.

It is not a de Polignac number, because 106561610211 - 2¹ = 106561610209 is a prime.

It is a super-2 number, since 2×106561610211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106561610231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1636666 + ... + 1700528.

It is an arithmetic number, because the mean of its divisors is an integer number (6887349216).

Almost surely, 2^106561610211 is an apocalyptic number.

106561610211 is a deficient number, since it is larger than the sum of its proper divisors (58734770973).

106561610211 is a wasteful number, since it uses less digits than its factorization.

106561610211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75231 (or 75224 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

Adding to 106561610211 its reverse (112016165601), we get a palindrome (218577775812).

The spelling of 106561610211 in words is "one hundred six billion, five hundred sixty-one million, six hundred ten thousand, two hundred eleven".