2021272601 has 8 divisors (see below), whose sum is σ = 2038242624. Its totient is φ = 2004372720.

The previous prime is 2021272597. The next prime is 2021272609. The reversal of 2021272601 is 1062721202.

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 2021272601 - 2² = 2021272597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021272609) 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, 41156 + ... + 75738.

It is an arithmetic number, because the mean of its divisors is an integer number (254780328).

Almost surely, 2^2021272601 is an apocalyptic number.

It is an amenable number.

2021272601 is a deficient number, since it is larger than the sum of its proper divisors (16970023).

2021272601 is a wasteful number, since it uses less digits than its factorization.

2021272601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35071.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2021272601 is about 44958.5653796916. The cubic root of 2021272601 is about 1264.3722717858.

Adding to 2021272601 its reverse (1062721202), we get a palindrome (3083993803).

The spelling of 2021272601 in words is "two billion, twenty-one million, two hundred seventy-two thousand, six hundred one".