11100111212101 has 8 divisors (see below), whose sum is σ = 11105684670080. Its totient is φ = 11094538387968.

The previous prime is 11100111212063. The next prime is 11100111212143. The reversal of 11100111212101 is 10121211100111.

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 11100111212101 - 2⁹ = 11100111211589 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 (11100111215101) 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, 37053445 + ... + 37351813.

It is an arithmetic number, because the mean of its divisors is an integer number (1388210583760).

Almost surely, 2^{11100111212101} is an apocalyptic number.

It is an amenable number.

11100111212101 is a deficient number, since it is larger than the sum of its proper divisors (5573457979).

11100111212101 is a wasteful number, since it uses less digits than its factorization.

11100111212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316923.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11100111212101 its reverse (10121211100111), we get a palindrome (21221322312212).

The spelling of 11100111212101 in words is "eleven trillion, one hundred billion, one hundred eleven million, two hundred twelve thousand, one hundred one".