20031101022301 has 4 divisors (see below), whose sum is σ = 20032783047900. Its totient is φ = 20029418996704.

The previous prime is 20031101022259. The next prime is 20031101022353. The reversal of 20031101022301 is 10322010113002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9143674870201 + 10887426152100 = 3023851^2 + 3299610^2 .

It is a cyclic number.

It is not a de Polignac number, because 20031101022301 - 2¹⁵ = 20031100989533 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 (20031101082301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840994936 + ... + 841018753.

It is an arithmetic number, because the mean of its divisors is an integer number (5008195761975).

Almost surely, 2^{20031101022301} is an apocalyptic number.

It is an amenable number.

20031101022301 is a deficient number, since it is larger than the sum of its proper divisors (1682025599).

20031101022301 is a wasteful number, since it uses less digits than its factorization.

20031101022301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682025598.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20031101022301 its reverse (10322010113002), we get a palindrome (30353111135303).

The spelling of 20031101022301 in words is "twenty trillion, thirty-one billion, one hundred one million, twenty-two thousand, three hundred one".