10142100321 has 4 divisors (see below), whose sum is σ = 13522800432. Its totient is φ = 6761400212.

The previous prime is 10142100301. The next prime is 10142100323. The reversal of 10142100321 is 12300124101.

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 10142100321 - 2²⁶ = 10074991457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10142100321.

It is not an unprimeable number, because it can be changed into a prime (10142100323) 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, 1690350051 + ... + 1690350056.

It is an arithmetic number, because the mean of its divisors is an integer number (3380700108).

Almost surely, 2^10142100321 is an apocalyptic number.

It is an amenable number.

10142100321 is a deficient number, since it is larger than the sum of its proper divisors (3380700111).

10142100321 is an equidigital number, since it uses as much as digits as its factorization.

10142100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380700110.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10142100321 its reverse (12300124101), we get a palindrome (22442224422).

The spelling of 10142100321 in words is "ten billion, one hundred forty-two million, one hundred thousand, three hundred twenty-one".