10142302121 has 4 divisors (see below), whose sum is σ = 11591202432. Its totient is φ = 8693401812.

The previous prime is 10142302117. The next prime is 10142302151. The reversal of 10142302121 is 12120324101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10142302121 - 2² = 10142302117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10142302121.

It is not an unprimeable number, because it can be changed into a prime (10142302151) 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 3 ways as a sum of consecutive naturals, for example, 724450145 + ... + 724450158.

It is an arithmetic number, because the mean of its divisors is an integer number (2897800608).

Almost surely, 2^10142302121 is an apocalyptic number.

It is an amenable number.

10142302121 is a deficient number, since it is larger than the sum of its proper divisors (1448900311).

10142302121 is an equidigital number, since it uses as much as digits as its factorization.

10142302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448900310.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10142302121 its reverse (12120324101), we get a palindrome (22262626222).

The spelling of 10142302121 in words is "ten billion, one hundred forty-two million, three hundred two thousand, one hundred twenty-one".