2220001025121 has 96 divisors (see below), whose sum is σ = 3605939251200. Its totient is φ = 1304664416640.

The previous prime is 2220001025119. The next prime is 2220001025171. The reversal of 2220001025121 is 1215201000222.

It is not a de Polignac number, because 2220001025121 - 2¹ = 2220001025119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220001025094 and 2220001025103.

It is not an unprimeable number, because it can be changed into a prime (2220001025101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 750759775 + ... + 750762731.

It is an arithmetic number, because the mean of its divisors is an integer number (37561867200).

Almost surely, 2^{2220001025121} is an apocalyptic number.

It is an amenable number.

2220001025121 is a deficient number, since it is larger than the sum of its proper divisors (1385938226079).

2220001025121 is a wasteful number, since it uses less digits than its factorization.

2220001025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 2220001025121 its reverse (1215201000222), we get a palindrome (3435202025343).

The spelling of 2220001025121 in words is "two trillion, two hundred twenty billion, one million, twenty-five thousand, one hundred twenty-one".