6201012221 has 8 divisors (see below), whose sum is σ = 6504152640. Its totient is φ = 5900666112.

The previous prime is 6201012187. The next prime is 6201012247. The reversal of 6201012221 is 1222101026.

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 6201012221 - 2²⁶ = 6133903357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6201012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6201012281) 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, 694031 + ... + 702908.

It is an arithmetic number, because the mean of its divisors is an integer number (813019080).

Almost surely, 2^6201012221 is an apocalyptic number.

It is an amenable number.

6201012221 is a deficient number, since it is larger than the sum of its proper divisors (303140419).

6201012221 is a wasteful number, since it uses less digits than its factorization.

6201012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397155.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 6201012221 is about 78746.5060875719. The cubic root of 6201012221 is about 1837.1905199307.

Adding to 6201012221 its reverse (1222101026), we get a palindrome (7423113247).

The spelling of 6201012221 in words is "six billion, two hundred one million, twelve thousand, two hundred twenty-one".