21120201002322 has 48 divisors (see below), whose sum is σ = 49470741116160. Its totient is φ = 6489279393696.

The previous prime is 21120201002287. The next prime is 21120201002333. The reversal of 21120201002322 is 22320010202112.

21120201002322 is a `hidden beast` number, since 21 + 120 + 201 + 0 + 0 + 2 + 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 = 21120201002295 and 21120201002304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834514018 + ... + 834539325.

It is an arithmetic number, because the mean of its divisors is an integer number (1030640439920).

Almost surely, 2^{21120201002322} is an apocalyptic number.

21120201002322 is an abundant number, since it is smaller than the sum of its proper divisors (28350540113838).

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

21120201002322 is a wasteful number, since it uses less digits than its factorization.

21120201002322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669053407 (or 1669053404 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21120201002322 its reverse (22320010202112), we get a palindrome (43440211204434).

The spelling of 21120201002322 in words is "twenty-one trillion, one hundred twenty billion, two hundred one million, two thousand, three hundred twenty-two".