10002021332331 has 8 divisors (see below), whose sum is σ = 15241175363584. Its totient is φ = 5715440761320.

The previous prime is 10002021332327. The next prime is 10002021332377. The reversal of 10002021332331 is 13323312020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10002021332331 - 2² = 10002021332327 is a prime.

It is a super-2 number, since 2×10002021332331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 476286730111 = 10002021332331 / (1 + 0 + 0 + 0 + 2 + 0 + 2 + 1 + 3 + 3 + 2 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002021332298 and 10002021332307.

It is not an unprimeable number, because it can be changed into a prime (10002021332321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238143365035 + ... + 238143365076.

It is an arithmetic number, because the mean of its divisors is an integer number (1905146920448).

Almost surely, 2^{10002021332331} is an apocalyptic number.

10002021332331 is a deficient number, since it is larger than the sum of its proper divisors (5239154031253).

10002021332331 is an equidigital number, since it uses as much as digits as its factorization.

10002021332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476286730121.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 10002021332331 its reverse (13323312020001), we get a palindrome (23325333352332).

The spelling of 10002021332331 in words is "ten trillion, two billion, twenty-one million, three hundred thirty-two thousand, three hundred thirty-one".