101320143121 has 4 divisors (see below), whose sum is σ = 101523190000. Its totient is φ = 101117096244.

The previous prime is 101320143107. The next prime is 101320143137. The reversal of 101320143121 is 121341023101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101320143121 - 2¹⁷ = 101320012049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101320143151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101522691 + ... + 101523688.

It is an arithmetic number, because the mean of its divisors is an integer number (25380797500).

Almost surely, 2^101320143121 is an apocalyptic number.

It is an amenable number.

101320143121 is a deficient number, since it is larger than the sum of its proper divisors (203046879).

101320143121 is an equidigital number, since it uses as much as digits as its factorization.

101320143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203046878.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101320143121 its reverse (121341023101), we get a palindrome (222661166222).

The spelling of 101320143121 in words is "one hundred one billion, three hundred twenty million, one hundred forty-three thousand, one hundred twenty-one".