101043331021 has 8 divisors (see below), whose sum is σ = 105053177600. Its totient is φ = 97080383520.

The previous prime is 101043331019. The next prime is 101043331027. The reversal of 101043331021 is 120133340101.

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 101043331021 - 2¹ = 101043331019 is a prime.

It is a super-4 number, since 4×101043331021⁴ (a number of 45 digits) contains 4444 as substring.

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 101043331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101043331027) 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, 11720376 + ... + 11728993.

It is an arithmetic number, because the mean of its divisors is an integer number (13131647200).

Almost surely, 2^101043331021 is an apocalyptic number.

It is an amenable number.

101043331021 is a deficient number, since it is larger than the sum of its proper divisors (4009846579).

101043331021 is a wasteful number, since it uses less digits than its factorization.

101043331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23449539.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101043331021 its reverse (120133340101), we get a palindrome (221176671122).

The spelling of 101043331021 in words is "one hundred one billion, forty-three million, three hundred thirty-one thousand, twenty-one".