2220203001121 has 8 divisors (see below), whose sum is σ = 2589158019200. Its totient is φ = 1903031143524.

The previous prime is 2220203001113. The next prime is 2220203001227. The reversal of 2220203001121 is 1211003020222.

It is a happy number.

It is not a de Polignac number, because 2220203001121 - 2³ = 2220203001113 is a prime.

It is a super-3 number, since 3×2220203001121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220203001095 and 2220203001104.

It is not an unprimeable number, because it can be changed into a prime (2220203031121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3236447181 + ... + 3236447866.

It is an arithmetic number, because the mean of its divisors is an integer number (323644752400).

Almost surely, 2^{2220203001121} is an apocalyptic number.

It is an amenable number.

2220203001121 is a deficient number, since it is larger than the sum of its proper divisors (368955018079).

2220203001121 is an frugal number, since it uses more digits than its factorization.

2220203001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472895068 (or 6472895054 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2220203001121 its reverse (1211003020222), we get a palindrome (3431206021343).

The spelling of 2220203001121 in words is "two trillion, two hundred twenty billion, two hundred three million, one thousand, one hundred twenty-one".