21361114 has 8 divisors (see below), whose sum is σ = 32480820. Its totient is φ = 10534176.

The previous prime is 21361097. The next prime is 21361121. The reversal of 21361114 is 41116312.

It can be written as a sum of positive squares in 2 ways, for example, as 20748025 + 613089 = 4555^2 + 783^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21361091 and 21361100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73009 + ... + 73300.

Almost surely, 2^21361114 is an apocalyptic number.

21361114 is a deficient number, since it is larger than the sum of its proper divisors (11119706).

21361114 is a wasteful number, since it uses less digits than its factorization.

21361114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146384.

The product of its digits is 144, while the sum is 19.

The square root of 21361114 is about 4621.8085204820. The cubic root of 21361114 is about 277.4648452612.

Adding to 21361114 its reverse (41116312), we get a palindrome (62477426).

The spelling of 21361114 in words is "twenty-one million, three hundred sixty-one thousand, one hundred fourteen".