2213020011121 has 6 divisors (see below), whose sum is σ = 2350855167830. Its totient is φ = 2082842363136.

The previous prime is 2213020011067. The next prime is 2213020011131. The reversal of 2213020011121 is 1211100203122.

It can be written as a sum of positive squares in 3 ways, for example, as 515041616896 + 1697978394225 = 717664^2 + 1303065^2 .

It is not a de Polignac number, because 2213020011121 - 2²⁵ = 2212986456689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213020011095 and 2213020011104.

It is not an unprimeable number, because it can be changed into a prime (2213020011131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3828754056 + ... + 3828754633.

Almost surely, 2^{2213020011121} is an apocalyptic number.

It is an amenable number.

2213020011121 is a deficient number, since it is larger than the sum of its proper divisors (137835156709).

2213020011121 is an equidigital number, since it uses as much as digits as its factorization.

2213020011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657508723 (or 7657508706 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2213020011121 its reverse (1211100203122), we get a palindrome (3424120214243).

It can be divided in two parts, 221302001 and 1121, that added together give a palindrome (221303122).

The spelling of 2213020011121 in words is "two trillion, two hundred thirteen billion, twenty million, eleven thousand, one hundred twenty-one".