10143310121 has 12 divisors (see below), whose sum is σ = 11803803732. Its totient is φ = 8690992128.

The previous prime is 10143310103. The next prime is 10143310141. The reversal of 10143310121 is 12101334101.

It can be written as a sum of positive squares in 2 ways, for example, as 7146842521 + 2996467600 = 84539^2 + 54740^2 .

It is not a de Polignac number, because 10143310121 - 2⁶ = 10143310057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10143310121.

It is not an unprimeable number, because it can be changed into a prime (10143310141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97301 + ... + 172493.

It is an arithmetic number, because the mean of its divisors is an integer number (983650311).

Almost surely, 2^10143310121 is an apocalyptic number.

It is an amenable number.

10143310121 is a deficient number, since it is larger than the sum of its proper divisors (1660493611).

10143310121 is an equidigital number, since it uses as much as digits as its factorization.

10143310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77960 (or 77953 counting only the distinct ones).

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

Adding to 10143310121 its reverse (12101334101), we get a palindrome (22244644222).

The spelling of 10143310121 in words is "ten billion, one hundred forty-three million, three hundred ten thousand, one hundred twenty-one".