20110111010201 has 8 divisors (see below), whose sum is σ = 20144237140608. Its totient is φ = 20075992020000.

The previous prime is 20110111010179. The next prime is 20110111010221. The reversal of 20110111010201 is 10201011101102.

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-20110111010201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110111010221) 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, 3867821 + ... + 7428341.

It is an arithmetic number, because the mean of its divisors is an integer number (2518029642576).

Almost surely, 2^{20110111010201} is an apocalyptic number.

It is an amenable number.

20110111010201 is a deficient number, since it is larger than the sum of its proper divisors (34126130407).

20110111010201 is an equidigital number, since it uses as much as digits as its factorization.

20110111010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570103.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20110111010201 its reverse (10201011101102), we get a palindrome (30311122111303).

Subtracting from 20110111010201 its reverse (10201011101102), we obtain a palindrome (9909099909099).

The spelling of 20110111010201 in words is "twenty trillion, one hundred ten billion, one hundred eleven million, ten thousand, two hundred one".