21112001110201 has 8 divisors (see below), whose sum is σ = 21569897301120. Its totient is φ = 20654467614288.

The previous prime is 21112001110139. The next prime is 21112001110247. The reversal of 21112001110201 is 10201110021112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21112001110201 - 2¹¹ = 21112001108153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112001113201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90556071 + ... + 90788908.

It is an arithmetic number, because the mean of its divisors is an integer number (2696237162640).

Almost surely, 2^{21112001110201} is an apocalyptic number.

It is an amenable number.

21112001110201 is a deficient number, since it is larger than the sum of its proper divisors (457896190919).

21112001110201 is a wasteful number, since it uses less digits than its factorization.

21112001110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181347503.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 21112001110201 its reverse (10201110021112), we get a palindrome (31313111131313).

The spelling of 21112001110201 in words is "twenty-one trillion, one hundred twelve billion, one million, one hundred ten thousand, two hundred one".