2220210120121 has 8 divisors (see below), whose sum is σ = 2537756028864. Its totient is φ = 1902757470000.

The previous prime is 2220210120067. The next prime is 2220210120173. The reversal of 2220210120121 is 1210210120222.

It is a happy number.

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 2220210120121 - 2¹¹ = 2220210118073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220210120095 and 2220210120104.

It is not an unprimeable number, because it can be changed into a prime (2220210120181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23263630 + ... + 23358871.

It is an arithmetic number, because the mean of its divisors is an integer number (317219503608).

Almost surely, 2^{2220210120121} is an apocalyptic number.

It is an amenable number.

2220210120121 is a deficient number, since it is larger than the sum of its proper divisors (317545908743).

2220210120121 is an equidigital number, since it uses as much as digits as its factorization.

2220210120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46629311.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2220210120121 its reverse (1210210120222), we get a palindrome (3430420240343).

It can be divided in two parts, 22202101 and 20121, that added together give a palindrome (22222222).

The spelling of 2220210120121 in words is "two trillion, two hundred twenty billion, two hundred ten million, one hundred twenty thousand, one hundred twenty-one".