20112122101201 has 16 divisors (see below), whose sum is σ = 22952031467904. Its totient is φ = 17458687643904.

The previous prime is 20112122101187. The next prime is 20112122101297. The reversal of 20112122101201 is 10210122121102.

It is not a de Polignac number, because 20112122101201 - 2²⁵ = 20112088546769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112122101501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36935391 + ... + 37475956.

It is an arithmetic number, because the mean of its divisors is an integer number (1434501966744).

Almost surely, 2^{20112122101201} is an apocalyptic number.

It is an amenable number.

20112122101201 is a deficient number, since it is larger than the sum of its proper divisors (2839909366703).

20112122101201 is a wasteful number, since it uses less digits than its factorization.

20112122101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74412600.

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

Adding to 20112122101201 its reverse (10210122121102), we get a palindrome (30322244222303).

The spelling of 20112122101201 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred one".