101138011 has 4 divisors (see below), whose sum is σ = 108917872. Its totient is φ = 93358152.

The previous prime is 101137999. The next prime is 101138017. The reversal of 101138011 is 110831101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101138011 - 2⁵ = 101137979 is a prime.

It is a super-2 number, since 2×101138011² = 20457794538072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101138017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3889911 + ... + 3889936.

It is an arithmetic number, because the mean of its divisors is an integer number (27229468).

Almost surely, 2^101138011 is an apocalyptic number.

101138011 is a deficient number, since it is larger than the sum of its proper divisors (7779861).

101138011 is an equidigital number, since it uses as much as digits as its factorization.

101138011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779860.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 101138011 is about 10056.7395809974. The cubic root of 101138011 is about 465.9129725674.

Adding to 101138011 its reverse (110831101), we get a palindrome (211969112).

The spelling of 101138011 in words is "one hundred one million, one hundred thirty-eight thousand, eleven".