101210321013 has 16 divisors (see below), whose sum is σ = 135134973120. Its totient is φ = 67379659776.

The previous prime is 101210320999. The next prime is 101210321021. The reversal of 101210321013 is 310123012101.

It is a happy number.

It is not a de Polignac number, because 101210321013 - 2⁹ = 101210320501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101210320983 and 101210321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210321033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15818331 + ... + 15824727.

It is an arithmetic number, because the mean of its divisors is an integer number (8445935820).

Almost surely, 2^101210321013 is an apocalyptic number.

It is an amenable number.

101210321013 is a deficient number, since it is larger than the sum of its proper divisors (33924652107).

101210321013 is an equidigital number, since it uses as much as digits as its factorization.

101210321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101210321013 its reverse (310123012101), we get a palindrome (411333333114).

The spelling of 101210321013 in words is "one hundred one billion, two hundred ten million, three hundred twenty-one thousand, thirteen".