21410142011 has 4 divisors (see below), whose sum is σ = 22148422800. Its totient is φ = 20671861224.

The previous prime is 21410142007. The next prime is 21410142031. The reversal of 21410142011 is 11024101412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21410142011 - 2² = 21410142007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410142031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369140351 + ... + 369140408.

It is an arithmetic number, because the mean of its divisors is an integer number (5537105700).

Almost surely, 2^21410142011 is an apocalyptic number.

21410142011 is a deficient number, since it is larger than the sum of its proper divisors (738280789).

21410142011 is an equidigital number, since it uses as much as digits as its factorization.

21410142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738280788.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21410142011 its reverse (11024101412), we get a palindrome (32434243423).

The spelling of 21410142011 in words is "twenty-one billion, four hundred ten million, one hundred forty-two thousand, eleven".