100001011 has 8 divisors (see below), whose sum is σ = 109219248. Its totient is φ = 90804000.

The previous prime is 100000969. The next prime is 100001029. The reversal of 100001011 is 110100001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001081) 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, 5521 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (13652406).

Almost surely, 2^100001011 is an apocalyptic number.

100001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100001011 is a deficient number, since it is larger than the sum of its proper divisors (9218237).

100001011 is an equidigital number, since it uses as much as digits as its factorization.

100001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613.

The product of its (nonzero) digits is 1, while the sum is 4.

The square root of 100001011 is about 10000.0505498722. The cubic root of 100001011 is about 464.1604475714.

Adding to 100001011 its reverse (110100001), we get a palindrome (210101012).

It can be divided in two parts, 10000 and 1011, that added together give a palindrome (11011).

The spelling of 100001011 in words is "one hundred million, one thousand, eleven".