21114410211045 has 24 divisors (see below), whose sum is σ = 36598498050816. Its totient is φ = 11260961235168.

The previous prime is 21114410211043. The next prime is 21114410211053. The reversal of 21114410211045 is 54011201441112.

21114410211045 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 441 + 0 + 211 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 21114410211045 - 2¹ = 21114410211043 is a prime.

It is a super-2 number, since 2×21114410211045² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114410211043) 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 23 ways as a sum of consecutive naturals, for example, 8582164 + ... + 10764866.

It is an arithmetic number, because the mean of its divisors is an integer number (1524937418784).

Almost surely, 2^{21114410211045} is an apocalyptic number.

It is an amenable number.

21114410211045 is a deficient number, since it is larger than the sum of its proper divisors (15484087839771).

21114410211045 is a wasteful number, since it uses less digits than its factorization.

21114410211045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397681 (or 2397678 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

Adding to 21114410211045 its reverse (54011201441112), we get a palindrome (75125611652157).

The spelling of 21114410211045 in words is "twenty-one trillion, one hundred fourteen billion, four hundred ten million, two hundred eleven thousand, forty-five".