2021011301 has 4 divisors (see below), whose sum is σ = 2031592704. Its totient is φ = 2010429900.

The previous prime is 2021011297. The next prime is 2021011337. The reversal of 2021011301 is 1031101202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021011301 - 2² = 2021011297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021011501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5290415 + ... + 5290796.

It is an arithmetic number, because the mean of its divisors is an integer number (507898176).

Almost surely, 2^2021011301 is an apocalyptic number.

It is an amenable number.

2021011301 is a deficient number, since it is larger than the sum of its proper divisors (10581403).

2021011301 is a wasteful number, since it uses less digits than its factorization.

2021011301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581402.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2021011301 is about 44955.6592766695. The cubic root of 2021011301 is about 1264.3177855326.

Adding to 2021011301 its reverse (1031101202), we get a palindrome (3052112503).

The spelling of 2021011301 in words is "two billion, twenty-one million, eleven thousand, three hundred one".