2220131000121 has 4 divisors (see below), whose sum is σ = 2960174666832. Its totient is φ = 1480087333412.

The previous prime is 2220131000081. The next prime is 2220131000137. The reversal of 2220131000121 is 1210001310222.

2220131000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220131000121 - 2²⁹ = 2219594129209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220131000121.

It is not an unprimeable number, because it can be changed into a prime (2220131000221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370021833351 + ... + 370021833356.

It is an arithmetic number, because the mean of its divisors is an integer number (740043666708).

Almost surely, 2^{2220131000121} is an apocalyptic number.

It is an amenable number.

2220131000121 is a deficient number, since it is larger than the sum of its proper divisors (740043666711).

2220131000121 is an equidigital number, since it uses as much as digits as its factorization.

2220131000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740043666710.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2220131000121 its reverse (1210001310222), we get a palindrome (3430132310343).

The spelling of 2220131000121 in words is "two trillion, two hundred twenty billion, one hundred thirty-one million, one hundred twenty-one", and thus it is an aban number.