21462013011 has 4 divisors (see below), whose sum is σ = 28616017352. Its totient is φ = 14308008672.

The previous prime is 21462013007. The next prime is 21462013021. The reversal of 21462013011 is 11031026412.

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

It is not a de Polignac number, because 21462013011 - 2² = 21462013007 is a prime.

It is a super-2 number, since 2×21462013011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21462013021) 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, 3577002166 + ... + 3577002171.

It is an arithmetic number, because the mean of its divisors is an integer number (7154004338).

Almost surely, 2^21462013011 is an apocalyptic number.

21462013011 is a deficient number, since it is larger than the sum of its proper divisors (7154004341).

21462013011 is an equidigital number, since it uses as much as digits as its factorization.

21462013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154004340.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21462013011 its reverse (11031026412), we get a palindrome (32493039423).

The spelling of 21462013011 in words is "twenty-one billion, four hundred sixty-two million, thirteen thousand, eleven".