11101121010111 has 16 divisors (see below), whose sum is σ = 16228226246400. Its totient is φ = 6694143318720.

The previous prime is 11101121010071. The next prime is 11101121010113. The reversal of 11101121010111 is 11101012110111.

It is not a de Polignac number, because 11101121010111 - 2⁶ = 11101121010047 is a prime.

It is a super-2 number, since 2×11101121010111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101121010113) 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, 845213550 + ... + 845226683.

It is an arithmetic number, because the mean of its divisors is an integer number (1014264140400).

Almost surely, 2^{11101121010111} is an apocalyptic number.

11101121010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101121010111 is a deficient number, since it is larger than the sum of its proper divisors (5127105236289).

11101121010111 is a wasteful number, since it uses less digits than its factorization.

11101121010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690440446.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11101121010111 its reverse (11101012110111), we get a palindrome (22202133120222).

The spelling of 11101121010111 in words is "eleven trillion, one hundred one billion, one hundred twenty-one million, ten thousand, one hundred eleven".