11211110201 has 4 divisors (see below), whose sum is σ = 11378440272. Its totient is φ = 11043780132.

The previous prime is 11211110161. The next prime is 11211110263. The reversal of 11211110201 is 10201111211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10201111211 = 29863 ⋅341597.

It is a cyclic number.

It is not a de Polignac number, because 11211110201 - 2⁶ = 11211110137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211116201) 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, 83664935 + ... + 83665068.

It is an arithmetic number, because the mean of its divisors is an integer number (2844610068).

Almost surely, 2^11211110201 is an apocalyptic number.

It is an amenable number.

11211110201 is a deficient number, since it is larger than the sum of its proper divisors (167330071).

11211110201 is an equidigital number, since it uses as much as digits as its factorization.

11211110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167330070.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11211110201 its reverse (10201111211), we get a palindrome (21412221412).

The spelling of 11211110201 in words is "eleven billion, two hundred eleven million, one hundred ten thousand, two hundred one".