20021113303001 has 4 divisors (see below), whose sum is σ = 20891596490112. Its totient is φ = 19150630115892.

The previous prime is 20021113302997. The next prime is 20021113303027. The reversal of 20021113303001 is 10030331112002.

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 20021113303001 - 2² = 20021113302997 is a prime.

It is a super-2 number, since 2×20021113303001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021113303091) 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, 435241593521 + ... + 435241593566.

It is an arithmetic number, because the mean of its divisors is an integer number (5222899122528).

Almost surely, 2^{20021113303001} is an apocalyptic number.

It is an amenable number.

20021113303001 is a deficient number, since it is larger than the sum of its proper divisors (870483187111).

20021113303001 is an equidigital number, since it uses as much as digits as its factorization.

20021113303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870483187110.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20021113303001 its reverse (10030331112002), we get a palindrome (30051444415003).

The spelling of 20021113303001 in words is "twenty trillion, twenty-one billion, one hundred thirteen million, three hundred three thousand, one".