20110220112001 has 8 divisors (see below), whose sum is σ = 20786334768000. Its totient is φ = 19445280905040.

The previous prime is 20110220111977. The next prime is 20110220112023. The reversal of 20110220112001 is 10021102201102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110220112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110220112091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793858601 + ... + 2793865798.

It is an arithmetic number, because the mean of its divisors is an integer number (2598291846000).

Almost surely, 2^{20110220112001} is an apocalyptic number.

It is an amenable number.

20110220112001 is a deficient number, since it is larger than the sum of its proper divisors (676114655999).

20110220112001 is an equidigital number, since it uses as much as digits as its factorization.

20110220112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587724519.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110220112001 its reverse (10021102201102), we get a palindrome (30131322313103).

The spelling of 20110220112001 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, one hundred twelve thousand, one".