10213542310121 has 8 divisors (see below), whose sum is σ = 10257560697384. Its totient is φ = 10169525491200.

The previous prime is 10213542310099. The next prime is 10213542310243. The reversal of 10213542310121 is 12101324531201.

It can be written as a sum of positive squares in 4 ways, for example, as 1210308019600 + 9003234290521 = 1100140^2 + 3000539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10213542310121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213542310021) 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, 13758365 + ... + 14481701.

It is an arithmetic number, because the mean of its divisors is an integer number (1282195087173).

Almost surely, 2^{10213542310121} is an apocalyptic number.

It is an amenable number.

10213542310121 is a deficient number, since it is larger than the sum of its proper divisors (44018387263).

10213542310121 is an equidigital number, since it uses as much as digits as its factorization.

10213542310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784171.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 10213542310121 its reverse (12101324531201), we get a palindrome (22314866841322).

The spelling of 10213542310121 in words is "ten trillion, two hundred thirteen billion, five hundred forty-two million, three hundred ten thousand, one hundred twenty-one".