11212011111101 has 8 divisors (see below), whose sum is σ = 11347267467744. Its totient is φ = 11077230173200.

The previous prime is 11212011111083. The next prime is 11212011111109. The reversal of 11212011111101 is 10111111021211.

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 11212011111101 - 2¹⁰ = 11212011110077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212011111109) 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, 118807235 + ... + 118901568.

It is an arithmetic number, because the mean of its divisors is an integer number (1418408433468).

Almost surely, 2^{11212011111101} is an apocalyptic number.

It is an amenable number.

11212011111101 is a deficient number, since it is larger than the sum of its proper divisors (135256356643).

11212011111101 is a wasteful number, since it uses less digits than its factorization.

11212011111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237709371.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11212011111101 its reverse (10111111021211), we get a palindrome (21323122132312).

The spelling of 11212011111101 in words is "eleven trillion, two hundred twelve billion, eleven million, one hundred eleven thousand, one hundred one".