101115001 has 16 divisors (see below), whose sum is σ = 112783104. Its totient is φ = 90059904.

The previous prime is 101114989. The next prime is 101115011. The reversal of 101115001 is 100511101.

It is a cyclic number.

It is not a de Polignac number, because 101115001 - 2¹⁷ = 100983929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101115011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43470 + ... + 45736.

It is an arithmetic number, because the mean of its divisors is an integer number (7048944).

Almost surely, 2^101115001 is an apocalyptic number.

It is an amenable number.

101115001 is a deficient number, since it is larger than the sum of its proper divisors (11668103).

101115001 is a wasteful number, since it uses less digits than its factorization.

101115001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 5, while the sum is 10.

The square root of 101115001 is about 10055.5955069802. The cubic root of 101115001 is about 465.8776364607.

Adding to 101115001 its reverse (100511101), we get a palindrome (201626102).

The spelling of 101115001 in words is "one hundred one million, one hundred fifteen thousand, one".