10101213013 has 4 divisors (see below), whose sum is σ = 10239585868. Its totient is φ = 9962840160.

The previous prime is 10101212993. The next prime is 10101213037. The reversal of 10101213013 is 31031210101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31031210101 = 197 ⋅157518833.

It can be written as a sum of positive squares in 2 ways, for example, as 3244213764 + 6856999249 = 56958^2 + 82807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10101213013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101212984 and 10101213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101213053) 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, 69186318 + ... + 69186463.

It is an arithmetic number, because the mean of its divisors is an integer number (2559896467).

Almost surely, 2^10101213013 is an apocalyptic number.

It is an amenable number.

10101213013 is a deficient number, since it is larger than the sum of its proper divisors (138372855).

10101213013 is an equidigital number, since it uses as much as digits as its factorization.

10101213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138372854.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10101213013 its reverse (31031210101), we get a palindrome (41132423114).

The spelling of 10101213013 in words is "ten billion, one hundred one million, two hundred thirteen thousand, thirteen".