10111011212101 has 4 divisors (see below), whose sum is σ = 10111020078592. Its totient is φ = 10111002345612.

The previous prime is 10111011212053. The next prime is 10111011212143. The reversal of 10111011212101 is 10121211011101.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111011212101 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 (10111011212161) 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, 2417055 + ... + 5105308.

It is an arithmetic number, because the mean of its divisors is an integer number (2527755019648).

Almost surely, 2^{10111011212101} is an apocalyptic number.

It is an amenable number.

10111011212101 is a deficient number, since it is larger than the sum of its proper divisors (8866491).

10111011212101 is an equidigital number, since it uses as much as digits as its factorization.

10111011212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866490.

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

Adding to 10111011212101 its reverse (10121211011101), we get a palindrome (20232222223202).

The spelling of 10111011212101 in words is "ten trillion, one hundred eleven billion, eleven million, two hundred twelve thousand, one hundred one".