201101102101211 has 4 divisors (see below), whose sum is σ = 216570417647472. Its totient is φ = 185631786554952.

The previous prime is 201101102101171. The next prime is 201101102101223. The reversal of 201101102101211 is 112101201101102.

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

It is a cyclic number.

It is not a de Polignac number, because 201101102101211 - 2¹⁸ = 201101101839067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101101101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7734657773111 + ... + 7734657773136.

It is an arithmetic number, because the mean of its divisors is an integer number (54142604411868).

Almost surely, 2^{201101102101211} is an apocalyptic number.

201101102101211 is a deficient number, since it is larger than the sum of its proper divisors (15469315546261).

201101102101211 is a wasteful number, since it uses less digits than its factorization.

201101102101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15469315546260.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201101102101211 its reverse (112101201101102), we get a palindrome (313202303202313).

The spelling of 201101102101211 in words is "two hundred one trillion, one hundred one billion, one hundred two million, one hundred one thousand, two hundred eleven".