20112212101201 has 4 divisors (see below), whose sum is σ = 21940595019504. Its totient is φ = 18283829182900.

The previous prime is 20112212101169. The next prime is 20112212101273. The reversal of 20112212101201 is 10210121221102.

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 20112212101201 - 2⁵ = 20112212101169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112212101301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914191459135 + ... + 914191459156.

It is an arithmetic number, because the mean of its divisors is an integer number (5485148754876).

Almost surely, 2^{20112212101201} is an apocalyptic number.

It is an amenable number.

20112212101201 is a deficient number, since it is larger than the sum of its proper divisors (1828382918303).

20112212101201 is a wasteful number, since it uses less digits than its factorization.

20112212101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828382918302.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20112212101201 its reverse (10210121221102), we get a palindrome (30322333322303).

The spelling of 20112212101201 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, one hundred one thousand, two hundred one".