101321123111 has 8 divisors (see below), whose sum is σ = 109217142720. Its totient is φ = 93439687392.

The previous prime is 101321123081. The next prime is 101321123147. The reversal of 101321123111 is 111321123101.

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 101321123111 - 2³⁰ = 100247381287 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 101321123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321123611) 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, 3631535 + ... + 3659328.

It is an arithmetic number, because the mean of its divisors is an integer number (13652142840).

Almost surely, 2^101321123111 is an apocalyptic number.

101321123111 is a deficient number, since it is larger than the sum of its proper divisors (7896019609).

101321123111 is a wasteful number, since it uses less digits than its factorization.

101321123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291945.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 101321123111 its reverse (111321123101), we get a palindrome (212642246212).

The spelling of 101321123111 in words is "one hundred one billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred eleven".