2220120022221 has 48 divisors (see below), whose sum is σ = 3299554440000. Its totient is φ = 1437896021760.

The previous prime is 2220120022193. The next prime is 2220120022229. The reversal of 2220120022221 is 1222200210222.

2220120022221 is a `hidden beast` number, since 2 + 220 + 1 + 200 + 22 + 221 = 666.

2220120022221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220120022221 - 2¹⁵ = 2220119989453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220120022194 and 2220120022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220120022229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99185451 + ... + 99207831.

It is an arithmetic number, because the mean of its divisors is an integer number (68740717500).

Almost surely, 2^{2220120022221} is an apocalyptic number.

It is an amenable number.

2220120022221 is a deficient number, since it is larger than the sum of its proper divisors (1079434417779).

2220120022221 is a wasteful number, since it uses less digits than its factorization.

2220120022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24634 (or 24631 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220120022221 its reverse (1222200210222), we get a palindrome (3442320232443).

The spelling of 2220120022221 in words is "two trillion, two hundred twenty billion, one hundred twenty million, twenty-two thousand, two hundred twenty-one".