21114412201 has 8 divisors (see below), whose sum is σ = 21802176000. Its totient is φ = 20427064320.

The previous prime is 21114412159. The next prime is 21114412259. The reversal of 21114412201 is 10221441112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21114412201 - 2³¹ = 18966928553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21114412271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900 + ... + 205498.

It is an arithmetic number, because the mean of its divisors is an integer number (2725272000).

Almost surely, 2^21114412201 is an apocalyptic number.

It is an amenable number.

21114412201 is a deficient number, since it is larger than the sum of its proper divisors (687763799).

21114412201 is a wasteful number, since it uses less digits than its factorization.

21114412201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207959.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 21114412201 its reverse (10221441112), we get a palindrome (31335853313).

The spelling of 21114412201 in words is "twenty-one billion, one hundred fourteen million, four hundred twelve thousand, two hundred one".