10121020421333 has 4 divisors (see below), whose sum is σ = 10177562435040. Its totient is φ = 10064478407628.

The previous prime is 10121020421311. The next prime is 10121020421341. The reversal of 10121020421333 is 33312402012101.

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 10121020421333 - 2¹⁰ = 10121020420309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121020421299 and 10121020421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121020421383) 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, 28271006585 + ... + 28271006942.

It is an arithmetic number, because the mean of its divisors is an integer number (2544390608760).

Almost surely, 2^{10121020421333} is an apocalyptic number.

It is an amenable number.

10121020421333 is a deficient number, since it is larger than the sum of its proper divisors (56542013707).

10121020421333 is an equidigital number, since it uses as much as digits as its factorization.

10121020421333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56542013706.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10121020421333 its reverse (33312402012101), we get a palindrome (43433422433434).

The spelling of 10121020421333 in words is "ten trillion, one hundred twenty-one billion, twenty million, four hundred twenty-one thousand, three hundred thirty-three".