201020100112211 has 4 divisors (see below), whose sum is σ = 201020128468800. Its totient is φ = 201020071755624.

The previous prime is 201020100112207. The next prime is 201020100112243. The reversal of 201020100112211 is 112211001020102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201020100112211 - 2² = 201020100112207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020100172211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6995225 + ... + 21236133.

It is an arithmetic number, because the mean of its divisors is an integer number (50255032117200).

Almost surely, 2^{201020100112211} is an apocalyptic number.

201020100112211 is a deficient number, since it is larger than the sum of its proper divisors (28356589).

201020100112211 is a wasteful number, since it uses less digits than its factorization.

201020100112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28356588.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201020100112211 its reverse (112211001020102), we get a palindrome (313231101132313).

The spelling of 201020100112211 in words is "two hundred one trillion, twenty billion, one hundred million, one hundred twelve thousand, two hundred eleven".