100560111111 has 24 divisors (see below), whose sum is σ = 148902180336. Its totient is φ = 65371587840.

The previous prime is 100560111061. The next prime is 100560111133. The reversal of 100560111111 is 111111065001.

It is a happy number.

100560111111 is a `hidden beast` number, since 100 + 560 + 1 + 1 + 1 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 100560111111 - 2⁷ = 100560110983 is a prime.

It is a super-2 number, since 2×100560111111² (a number of 23 digits) contains 22 as substring.

100560111111 is a modest number, since divided by 111111 gives 100560 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100560111511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568930 + ... + 724431.

It is an arithmetic number, because the mean of its divisors is an integer number (6204257514).

Almost surely, 2^100560111111 is an apocalyptic number.

100560111111 is a deficient number, since it is larger than the sum of its proper divisors (48342069225).

100560111111 is a wasteful number, since it uses less digits than its factorization.

100560111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293583 (or 1293580 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

Adding to 100560111111 its reverse (111111065001), we get a palindrome (211671176112).

The spelling of 100560111111 in words is "one hundred billion, five hundred sixty million, one hundred eleven thousand, one hundred eleven".