101231032121 has 8 divisors (see below), whose sum is σ = 106901620800. Its totient is φ = 95594707440.

The previous prime is 101231032099. The next prime is 101231032139. The reversal of 101231032121 is 121230132101.

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 101231032121 - 2¹⁴ = 101231015737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101231032121.

It is not an unprimeable number, because it can be changed into a prime (101231032141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8559926 + ... + 8571743.

It is an arithmetic number, because the mean of its divisors is an integer number (13362702600).

Almost surely, 2^101231032121 is an apocalyptic number.

It is an amenable number.

101231032121 is a deficient number, since it is larger than the sum of its proper divisors (5670588679).

101231032121 is a wasteful number, since it uses less digits than its factorization.

101231032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131999.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101231032121 its reverse (121230132101), we get a palindrome (222461164222).

The spelling of 101231032121 in words is "one hundred one billion, two hundred thirty-one million, thirty-two thousand, one hundred twenty-one".