220020112021001 has 4 divisors (see below), whose sum is σ = 220033327252500. Its totient is φ = 220006896789504.

The previous prime is 220020112020887. The next prime is 220020112021007. The reversal of 220020112021001 is 100120211020022.

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 142681806612601 + 77338305408400 = 11944949^2 + 8794220^2 .

It is a cyclic number.

It is not a de Polignac number, because 220020112021001 - 2¹⁸ = 220020111758857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220020112021007) 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, 6607590776 + ... + 6607624073.

It is an arithmetic number, because the mean of its divisors is an integer number (55008331813125).

Almost surely, 2^{220020112021001} is an apocalyptic number.

It is an amenable number.

220020112021001 is a deficient number, since it is larger than the sum of its proper divisors (13215231499).

220020112021001 is a wasteful number, since it uses less digits than its factorization.

220020112021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215231498.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220020112021001 its reverse (100120211020022), we get a palindrome (320140323041023).

The spelling of 220020112021001 in words is "two hundred twenty trillion, twenty billion, one hundred twelve million, twenty-one thousand, one".