20012112200101 has 16 divisors (see below), whose sum is σ = 23873558079744. Its totient is φ = 16401820875264.

The previous prime is 20012112200099. The next prime is 20012112200203. The reversal of 20012112200101 is 10100221121002.

It is a cyclic number.

It is not a de Polignac number, because 20012112200101 - 2¹ = 20012112200099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012112203101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20836300 + ... + 21775573.

It is an arithmetic number, because the mean of its divisors is an integer number (1492097379984).

Almost surely, 2^{20012112200101} is an apocalyptic number.

It is an amenable number.

20012112200101 is a deficient number, since it is larger than the sum of its proper divisors (3861445879643).

20012112200101 is a wasteful number, since it uses less digits than its factorization.

20012112200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42614820.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20012112200101 its reverse (10100221121002), we get a palindrome (30112333321103).

The spelling of 20012112200101 in words is "twenty trillion, twelve billion, one hundred twelve million, two hundred thousand, one hundred one".