11101211210111 has 12 divisors (see below), whose sum is σ = 12203391510072. Its totient is φ = 10090989810000.

The previous prime is 11101211210101. The next prime is 11101211210129.

11101211210111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11101211210111 - 2¹⁰ = 11101211209087 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 (11101211210101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3435125 + ... + 5831166.

It is an arithmetic number, because the mean of its divisors is an integer number (1016949292506).

Almost surely, 2^{11101211210111} is an apocalyptic number.

11101211210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101211210111 is a deficient number, since it is larger than the sum of its proper divisors (1102180299961).

11101211210111 is an equidigital number, since it uses as much as digits as its factorization.

11101211210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276214 (or 9276203 counting only the distinct ones).

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

It can be divided in two parts, 1110121 and 1210111, that multiplied together give a palindrome (1343369633431).

The spelling of 11101211210111 in words is "eleven trillion, one hundred one billion, two hundred eleven million, two hundred ten thousand, one hundred eleven".