11101210122111 has 16 divisors (see below), whose sum is σ = 15862598721024. Its totient is φ = 6887707336224.

The previous prime is 11101210122043. The next prime is 11101210122251. The reversal of 11101210122111 is 11122101210111.

It is not a de Polignac number, because 11101210122111 - 2³⁴ = 11084030252927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101210222111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2174147491 + ... + 2174152596.

It is an arithmetic number, because the mean of its divisors is an integer number (991412420064).

Almost surely, 2^{11101210122111} is an apocalyptic number.

11101210122111 is a deficient number, since it is larger than the sum of its proper divisors (4761388598913).

11101210122111 is a wasteful number, since it uses less digits than its factorization.

11101210122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348300150.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11101210122111 its reverse (11122101210111), we get a palindrome (22223311332222).

The spelling of 11101210122111 in words is "eleven trillion, one hundred one billion, two hundred ten million, one hundred twenty-two thousand, one hundred eleven".