21211210114 has 16 divisors (see below), whose sum is σ = 33702461208. Its totient is φ = 9977577472.

The previous prime is 21211210109. The next prime is 21211210133. The reversal of 21211210114 is 41101211212.

It can be written as a sum of positive squares in 4 ways, for example, as 17277788025 + 3933422089 = 131445^2 + 62717^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46879 + ... + 211234.

Almost surely, 2^21211210114 is an apocalyptic number.

21211210114 is a deficient number, since it is larger than the sum of its proper divisors (12491251094).

21211210114 is a wasteful number, since it uses less digits than its factorization.

21211210114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260549.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21211210114 its reverse (41101211212), we get a palindrome (62312421326).

The spelling of 21211210114 in words is "twenty-one billion, two hundred eleven million, two hundred ten thousand, one hundred fourteen".