101120231321 has 2 divisors, whose sum is σ = 101120231322. Its totient is φ = 101120231320.

The previous prime is 101120231293. The next prime is 101120231363. The reversal of 101120231321 is 123132021101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85077222400 + 16043008921 = 291680^2 + 126661^2 .

It is a cyclic number.

It is not a de Polignac number, because 101120231321 - 2³⁰ = 100046489497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101120231321.

It is not a weakly prime, because it can be changed into another prime (101120231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560115660 + 50560115661.

It is an arithmetic number, because the mean of its divisors is an integer number (50560115661).

Almost surely, 2^101120231321 is an apocalyptic number.

It is an amenable number.

101120231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120231321 is an equidigital number, since it uses as much as digits as its factorization.

101120231321 is an evil number, because the sum of its binary digits is even.

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

Adding to 101120231321 its reverse (123132021101), we get a palindrome (224252252422).

The spelling of 101120231321 in words is "one hundred one billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twenty-one".