2623531112121 has 16 divisors (see below), whose sum is σ = 3564459360000. Its totient is φ = 1715930620368.

The previous prime is 2623531112119. The next prime is 2623531112143. The reversal of 2623531112121 is 1212111353262.

It is a happy number.

It is not a de Polignac number, because 2623531112121 - 2¹ = 2623531112119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2623531112821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14763591 + ... + 14940236.

It is an arithmetic number, because the mean of its divisors is an integer number (222778710000).

Almost surely, 2^{2623531112121} is an apocalyptic number.

It is an amenable number.

2623531112121 is a deficient number, since it is larger than the sum of its proper divisors (940928247879).

2623531112121 is a wasteful number, since it uses less digits than its factorization.

2623531112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29704388.

The product of its digits is 4320, while the sum is 30.

Adding to 2623531112121 its reverse (1212111353262), we get a palindrome (3835642465383).

The spelling of 2623531112121 in words is "two trillion, six hundred twenty-three billion, five hundred thirty-one million, one hundred twelve thousand, one hundred twenty-one".