21410211043 has 16 divisors (see below), whose sum is σ = 25474913856. Its totient is φ = 17791994880.

The previous prime is 21410211019. The next prime is 21410211071. The reversal of 21410211043 is 34011201412.

It is a cyclic number.

It is not a de Polignac number, because 21410211043 - 2²¹ = 21408113891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21410211043.

It is not an unprimeable number, because it can be changed into a prime (21410211073) 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, 2100978 + ... + 2111143.

It is an arithmetic number, because the mean of its divisors is an integer number (1592182116).

Almost surely, 2^21410211043 is an apocalyptic number.

21410211043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21410211043 is a deficient number, since it is larger than the sum of its proper divisors (4064702813).

21410211043 is a wasteful number, since it uses less digits than its factorization.

21410211043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212174.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21410211043 its reverse (34011201412), we get a palindrome (55421412455).

The spelling of 21410211043 in words is "twenty-one billion, four hundred ten million, two hundred eleven thousand, forty-three".