20201112012201 has 4 divisors (see below), whose sum is σ = 26934816016272. Its totient is φ = 13467408008132.

The previous prime is 20201112012199. The next prime is 20201112012209. The reversal of 20201112012201 is 10221021110202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20201112012201 - 2¹ = 20201112012199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20201112012209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366852002031 + ... + 3366852002036.

It is an arithmetic number, because the mean of its divisors is an integer number (6733704004068).

Almost surely, 2^{20201112012201} is an apocalyptic number.

It is an amenable number.

20201112012201 is a deficient number, since it is larger than the sum of its proper divisors (6733704004071).

20201112012201 is an equidigital number, since it uses as much as digits as its factorization.

20201112012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733704004070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20201112012201 its reverse (10221021110202), we get a palindrome (30422133122403).

The spelling of 20201112012201 in words is "twenty trillion, two hundred one billion, one hundred twelve million, twelve thousand, two hundred one".