10020221220120 has 32 divisors (see below), whose sum is σ = 30060663660720. Its totient is φ = 2672058992000.

The previous prime is 10020221220089. The next prime is 10020221220151. The reversal of 10020221220120 is 2102212202001.

It is an interprime number because it is at equal distance from previous prime (10020221220089) and next prime (10020221220151).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10020221220120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41750921631 + ... + 41750921870.

Almost surely, 2^{10020221220120} is an apocalyptic number.

10020221220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020221220120 is an abundant number, since it is smaller than the sum of its proper divisors (20040442440600).

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

10020221220120 is a wasteful number, since it uses less digits than its factorization.

10020221220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83501843515 (or 83501843511 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10020221220120 its reverse (2102212202001), we get a palindrome (12122433422121).

The spelling of 10020221220120 in words is "ten trillion, twenty billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty".