101043121 has 16 divisors (see below), whose sum is σ = 114004800. Its totient is φ = 88985088.

The previous prime is 101043119. The next prime is 101043149. The reversal of 101043121 is 121340101.

It is a cyclic number.

It is not a de Polignac number, because 101043121 - 2¹ = 101043119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101043181) 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, 24925 + ... + 28693.

It is an arithmetic number, because the mean of its divisors is an integer number (7125300).

Almost surely, 2^101043121 is an apocalyptic number.

It is an amenable number.

101043121 is a deficient number, since it is larger than the sum of its proper divisors (12961679).

101043121 is a wasteful number, since it uses less digits than its factorization.

101043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101043121 is about 10052.0207421195. The cubic root of 101043121 is about 465.7672168976.

Adding to 101043121 its reverse (121340101), we get a palindrome (222383222).

It can be divided in two parts, 10104 and 3121, that added together give a square (13225 = 115²).

The spelling of 101043121 in words is "one hundred one million, forty-three thousand, one hundred twenty-one".