100555111241 has 32 divisors (see below), whose sum is σ = 113048248320. Its totient is φ = 88803993600.

The previous prime is 100555111229. The next prime is 100555111247. The reversal of 100555111241 is 142111555001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100555111241 - 2⁶ = 100555111177 is a prime.

It is a super-2 number, since 2×100555111241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100555111241.

It is not an unprimeable number, because it can be changed into a prime (100555111247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19511321 + ... + 19516473.

It is an arithmetic number, because the mean of its divisors is an integer number (3532757760).

Almost surely, 2^100555111241 is an apocalyptic number.

It is an amenable number.

100555111241 is a deficient number, since it is larger than the sum of its proper divisors (12493137079).

100555111241 is a wasteful number, since it uses less digits than its factorization.

100555111241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657.

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 100555111241 its reverse (142111555001), we get a palindrome (242666666242).

The spelling of 100555111241 in words is "one hundred billion, five hundred fifty-five million, one hundred eleven thousand, two hundred forty-one".