10021331322 has 24 divisors (see below), whose sum is σ = 21737398176. Its totient is φ = 3336672456.

The previous prime is 10021331317. The next prime is 10021331323. The reversal of 10021331322 is 22313312001.

10021331322 is a `hidden beast` number, since 10 + 0 + 2 + 1 + 331 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10021331295 and 10021331304.

It is not an unprimeable number, because it can be changed into a prime (10021331323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297868 + ... + 329799.

It is an arithmetic number, because the mean of its divisors is an integer number (905724924).

Almost surely, 2^10021331322 is an apocalyptic number.

10021331322 is an abundant number, since it is smaller than the sum of its proper divisors (11716066854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021331322 is a wasteful number, since it uses less digits than its factorization.

10021331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628562 (or 628559 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10021331322 its reverse (22313312001), we get a palindrome (32334643323).

The spelling of 10021331322 in words is "ten billion, twenty-one million, three hundred thirty-one thousand, three hundred twenty-two".