2220000012121 has 8 divisors (see below), whose sum is σ = 2220659159040. Its totient is φ = 2219340974112.

The previous prime is 2220000012089. The next prime is 2220000012133. The reversal of 2220000012121 is 1212100000222.

It is a happy number.

2220000012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220000012121 - 2⁵ = 2220000012089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220000012421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56870016 + ... + 56909038.

It is an arithmetic number, because the mean of its divisors is an integer number (277582394880).

Almost surely, 2^{2220000012121} is an apocalyptic number.

It is an amenable number.

2220000012121 is a deficient number, since it is larger than the sum of its proper divisors (659146919).

2220000012121 is an equidigital number, since it uses as much as digits as its factorization.

2220000012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54455.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2220000012121 its reverse (1212100000222), we get a palindrome (3432100012343).

The spelling of 2220000012121 in words is "two trillion, two hundred twenty billion, twelve thousand, one hundred twenty-one".