2113223140121 has 16 divisors (see below), whose sum is σ = 2188718358528. Its totient is φ = 2038187739600.

The previous prime is 2113223140109. The next prime is 2113223140139. The reversal of 2113223140121 is 1210413223112.

It is not a de Polignac number, because 2113223140121 - 2²⁶ = 2113156031257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113223140141) 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 15 ways as a sum of consecutive naturals, for example, 101866076 + ... + 101886818.

It is an arithmetic number, because the mean of its divisors is an integer number (136794897408).

Almost surely, 2^{2113223140121} is an apocalyptic number.

It is an amenable number.

2113223140121 is a deficient number, since it is larger than the sum of its proper divisors (75495218407).

2113223140121 is a wasteful number, since it uses less digits than its factorization.

2113223140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31652.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2113223140121 its reverse (1210413223112), we get a palindrome (3323636363233).

The spelling of 2113223140121 in words is "two trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred forty thousand, one hundred twenty-one".