101518121 has 8 divisors (see below), whose sum is σ = 109750080. Its totient is φ = 93575088.

The previous prime is 101518111. The next prime is 101518129. The reversal of 101518121 is 121815101.

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-101518121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101518093 and 101518102.

It is not an unprimeable number, because it can be changed into a prime (101518129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71501 + ... + 72906.

It is an arithmetic number, because the mean of its divisors is an integer number (13718760).

Almost surely, 2^101518121 is an apocalyptic number.

It is an amenable number.

101518121 is a deficient number, since it is larger than the sum of its proper divisors (8231959).

101518121 is a wasteful number, since it uses less digits than its factorization.

101518121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144463.

The product of its (nonzero) digits is 80, while the sum is 20.

The square root of 101518121 is about 10075.6201297985. The cubic root of 101518121 is about 466.4959277323.

The spelling of 101518121 in words is "one hundred one million, five hundred eighteen thousand, one hundred twenty-one".