20111012112201 has 8 divisors (see below), whose sum is σ = 26911486726464. Its totient is φ = 13358939453040.

The previous prime is 20111012112187. The next prime is 20111012112209. The reversal of 20111012112201 is 10221121011102.

It is a happy number.

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

It is not a de Polignac number, because 20111012112201 - 2³³ = 20102422177609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20111012112209) 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, 12100487805 + ... + 12100489466.

It is an arithmetic number, because the mean of its divisors is an integer number (3363935840808).

Almost surely, 2^{20111012112201} is an apocalyptic number.

It is an amenable number.

20111012112201 is a deficient number, since it is larger than the sum of its proper divisors (6800474614263).

20111012112201 is a wasteful number, since it uses less digits than its factorization.

20111012112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24200977551.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20111012112201 its reverse (10221121011102), we get a palindrome (30332133123303).

The spelling of 20111012112201 in words is "twenty trillion, one hundred eleven billion, twelve million, one hundred twelve thousand, two hundred one".