2021123301 has 8 divisors (see below), whose sum is σ = 2705317824. Its totient is φ = 1342172160.

The previous prime is 2021123297. The next prime is 2021123323. The reversal of 2021123301 is 1033211202.

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

It is not a de Polignac number, because 2021123301 - 2² = 2021123297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021123341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309945 + ... + 1311486.

It is an arithmetic number, because the mean of its divisors is an integer number (338164728).

Almost surely, 2^2021123301 is an apocalyptic number.

It is an amenable number.

2021123301 is a deficient number, since it is larger than the sum of its proper divisors (684194523).

2021123301 is a wasteful number, since it uses less digits than its factorization.

2021123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621691.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2021123301 is about 44956.9049312784. The cubic root of 2021123301 is about 1264.3411403379.

Adding to 2021123301 its reverse (1033211202), we get a palindrome (3054334503).

The spelling of 2021123301 in words is "two billion, twenty-one million, one hundred twenty-three thousand, three hundred one".