20021112301 has 4 divisors (see below), whose sum is σ = 20021452704. Its totient is φ = 20020771900.

The previous prime is 20021112299. The next prime is 20021112317. The reversal of 20021112301 is 10321112002.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10321112002 = 2 ⋅5160556001.

It is a cyclic number.

It is not a de Polignac number, because 20021112301 - 2¹ = 20021112299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021112341) 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, 56785 + ... + 208006.

It is an arithmetic number, because the mean of its divisors is an integer number (5005363176).

Almost surely, 2^20021112301 is an apocalyptic number.

It is an amenable number.

20021112301 is a deficient number, since it is larger than the sum of its proper divisors (340403).

20021112301 is an equidigital number, since it uses as much as digits as its factorization.

20021112301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340402.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20021112301 its reverse (10321112002), we get a palindrome (30342224303).

The spelling of 20021112301 in words is "twenty billion, twenty-one million, one hundred twelve thousand, three hundred one".