100520011 has 8 divisors (see below), whose sum is σ = 105523200. Its totient is φ = 95626920.

The previous prime is 100519999. The next prime is 100520039. The reversal of 100520011 is 110025001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100520011 - 2¹³ = 100511819 is a prime.

It is a super-2 number, since 2×100520011² = 20208545222880242, which 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 100520011.

It is not an unprimeable number, because it can be changed into a prime (100520081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25651 + ... + 29308.

It is an arithmetic number, because the mean of its divisors is an integer number (13190400).

Almost surely, 2^100520011 is an apocalyptic number.

100520011 is a deficient number, since it is larger than the sum of its proper divisors (5003189).

100520011 is an equidigital number, since it uses as much as digits as its factorization.

100520011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55049.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 100520011 is about 10025.9668361710. The cubic root of 100520011 is about 464.9620518614.

Adding to 100520011 its reverse (110025001), we get a palindrome (210545012).

The spelling of 100520011 in words is "one hundred million, five hundred twenty thousand, eleven".