101100121 has 8 divisors (see below), whose sum is σ = 107189600. Its totient is φ = 95087520.

The previous prime is 101100113. The next prime is 101100133. The reversal of 101100121 is 121001101.

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

It is a cyclic number.

It is not a de Polignac number, because 101100121 - 2³ = 101100113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101100151) 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, 16500 + ... + 21781.

It is an arithmetic number, because the mean of its divisors is an integer number (13398700).

Almost surely, 2^101100121 is an apocalyptic number.

It is an amenable number.

101100121 is a deficient number, since it is larger than the sum of its proper divisors (6089479).

101100121 is a wasteful number, since it uses less digits than its factorization.

101100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38439.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 101100121 is about 10054.8555931948. The cubic root of 101100121 is about 465.8547826170.

Adding to 101100121 its reverse (121001101), we get a palindrome (222101222).

The spelling of 101100121 in words is "one hundred one million, one hundred thousand, one hundred twenty-one".