2212021220120 has 64 divisors (see below), whose sum is σ = 5239405036800. Its totient is φ = 838174435200.

The previous prime is 2212021220119. The next prime is 2212021220147. The reversal of 2212021220120 is 210221202122.

It is a happy number.

It is a super-2 number, since 2×2212021220120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10295795 + ... + 10508445.

It is an arithmetic number, because the mean of its divisors is an integer number (81865703700).

Almost surely, 2^{2212021220120} is an apocalyptic number.

2212021220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212021220120 is an abundant number, since it is smaller than the sum of its proper divisors (3027383816680).

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

2212021220120 is a wasteful number, since it uses less digits than its factorization.

2212021220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226368 (or 226364 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212021220120 its reverse (210221202122), we get a palindrome (2422242422242).

The spelling of 2212021220120 in words is "two trillion, two hundred twelve billion, twenty-one million, two hundred twenty thousand, one hundred twenty".