2213331535121 has 6 divisors (see below), whose sum is σ = 2574691785810. Its totient is φ = 1897141315776.

The previous prime is 2213331535109. The next prime is 2213331535127. The reversal of 2213331535121 is 1215351333122.

It can be written as a sum of positive squares in only one way, i.e., 2043184360000 + 170147175121 = 1429400^2 + 412489^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2213331535121 is a prime.

It is a super-2 number, since 2×2213331535121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213331535127) 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, 22585015616 + ... + 22585015713.

It is an arithmetic number, because the mean of its divisors is an integer number (429115297635).

Almost surely, 2^{2213331535121} is an apocalyptic number.

It is an amenable number.

2213331535121 is a deficient number, since it is larger than the sum of its proper divisors (361360250689).

2213331535121 is an equidigital number, since it uses as much as digits as its factorization.

2213331535121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45170031343 (or 45170031336 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

Adding to 2213331535121 its reverse (1215351333122), we get a palindrome (3428682868243).

The spelling of 2213331535121 in words is "two trillion, two hundred thirteen billion, three hundred thirty-one million, five hundred thirty-five thousand, one hundred twenty-one".