21013412114 has 8 divisors (see below), whose sum is σ = 31520745660. Its totient is φ = 10506496896.

The previous prime is 21013412111. The next prime is 21013412137. The reversal of 21013412114 is 41121431012.

It can be written as a sum of positive squares in 2 ways, for example, as 20154629089 + 858783025 = 141967^2 + 29305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21013412111) 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, 105002 + ... + 230330.

Almost surely, 2^21013412114 is an apocalyptic number.

21013412114 is a deficient number, since it is larger than the sum of its proper divisors (10507333546).

21013412114 is a wasteful number, since it uses less digits than its factorization.

21013412114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209164.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21013412114 its reverse (41121431012), we get a palindrome (62134843126).

The spelling of 21013412114 in words is "twenty-one billion, thirteen million, four hundred twelve thousand, one hundred fourteen".