10021220530002 has 32 divisors (see below), whose sum is σ = 24293867952960. Its totient is φ = 3036733493760.

The previous prime is 10021220529989. The next prime is 10021220530003. The reversal of 10021220530002 is 20003502212001.

10021220530002 is a `hidden beast` number, since 10 + 0 + 2 + 122 + 0 + 530 + 0 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (10021220530003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8435370223 + ... + 8435371410.

It is an arithmetic number, because the mean of its divisors is an integer number (759183373530).

Almost surely, 2^{10021220530002} is an apocalyptic number.

10021220530002 is an abundant number, since it is smaller than the sum of its proper divisors (14272647422958).

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

10021220530002 is a wasteful number, since it uses less digits than its factorization.

10021220530002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16870741655 (or 16870741649 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 10021220530002 its reverse (20003502212001), we get a palindrome (30024722742003).

The spelling of 10021220530002 in words is "ten trillion, twenty-one billion, two hundred twenty million, five hundred thirty thousand, two".