10421333042 has 4 divisors (see below), whose sum is σ = 15631999566. Its totient is φ = 5210666520.

The previous prime is 10421333033. The next prime is 10421333053. The reversal of 10421333042 is 24033312401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10391967481 + 29365561 = 101941^2 + 5419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10421332999 and 10421333017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605333259 + ... + 2605333262.

Almost surely, 2^10421333042 is an apocalyptic number.

10421333042 is a deficient number, since it is larger than the sum of its proper divisors (5210666524).

10421333042 is an equidigital number, since it uses as much as digits as its factorization.

10421333042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210666523.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10421333042 its reverse (24033312401), we get a palindrome (34454645443).

The spelling of 10421333042 in words is "ten billion, four hundred twenty-one million, three hundred thirty-three thousand, forty-two".