21112243114141 has 16 divisors (see below), whose sum is σ = 23055797076480. Its totient is φ = 19255022828800.

The previous prime is 21112243114093. The next prime is 21112243114177. The reversal of 21112243114141 is 14141134221112.

It is a cyclic number.

It is not a de Polignac number, because 21112243114141 - 2²¹ = 21112241016989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112243114181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130727881 + ... + 130889278.

It is an arithmetic number, because the mean of its divisors is an integer number (1440987317280).

Almost surely, 2^{21112243114141} is an apocalyptic number.

It is an amenable number.

21112243114141 is a deficient number, since it is larger than the sum of its proper divisors (1943553962339).

21112243114141 is a wasteful number, since it uses less digits than its factorization.

21112243114141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261617324.

The product of its digits is 1536, while the sum is 28.

Adding to 21112243114141 its reverse (14141134221112), we get a palindrome (35253377335253).

The spelling of 21112243114141 in words is "twenty-one trillion, one hundred twelve billion, two hundred forty-three million, one hundred fourteen thousand, one hundred forty-one".