100005011 has 4 divisors (see below), whose sum is σ = 101891952. Its totient is φ = 98118072.

The previous prime is 100005001. The next prime is 100005023. The reversal of 100005011 is 110500001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110500001 = 1997 ⋅55333.

It is a cyclic number.

It is not a de Polignac number, because 100005011 - 2²⁶ = 32896147 is a prime.

It is a super-2 number, since 2×100005011² = 20002004450220242, 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 100005011.

It is not an unprimeable number, because it can be changed into a prime (100005001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943391 + ... + 943496.

It is an arithmetic number, because the mean of its divisors is an integer number (25472988).

Almost surely, 2^100005011 is an apocalyptic number.

100005011 is a deficient number, since it is larger than the sum of its proper divisors (1886941).

100005011 is an equidigital number, since it uses as much as digits as its factorization.

100005011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886940.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 100005011 is about 10000.2505468613. The cubic root of 100005011 is about 464.1666362323.

Adding to 100005011 its reverse (110500001), we get a palindrome (210505012).

The spelling of 100005011 in words is "one hundred million, five thousand, eleven".