20110012201201 has 4 divisors (see below), whose sum is σ = 21656936216692. Its totient is φ = 18563088185712.

The previous prime is 20110012201199. The next prime is 20110012201231. The reversal of 20110012201201 is 10210221001102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1106123372176 + 19003888829025 = 1051724^2 + 4359345^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110012201201 - 2¹ = 20110012201199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1546924015477 = 20110012201201 / (2 + 0 + 1 + 1 + 0 + 0 + 1 + 2 + 2 + 0 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110012201231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773462007726 + ... + 773462007751.

It is an arithmetic number, because the mean of its divisors is an integer number (5414234054173).

Almost surely, 2^{20110012201201} is an apocalyptic number.

It is an amenable number.

20110012201201 is a deficient number, since it is larger than the sum of its proper divisors (1546924015491).

20110012201201 is a wasteful number, since it uses less digits than its factorization.

20110012201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546924015490.

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

Adding to 20110012201201 its reverse (10210221001102), we get a palindrome (30320233202303).

The spelling of 20110012201201 in words is "twenty trillion, one hundred ten billion, twelve million, two hundred one thousand, two hundred one".