11121101102111 has 64 divisors (see below), whose sum is σ = 14965017338880. Its totient is φ = 7981434178560.

The previous prime is 11121101102101. The next prime is 11121101102149. The reversal of 11121101102111 is 11120110112111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121101102111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121101102101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 900706640 + ... + 900718986.

It is an arithmetic number, because the mean of its divisors is an integer number (233828395920).

Almost surely, 2^{11121101102111} is an apocalyptic number.

11121101102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11121101102111 is a deficient number, since it is larger than the sum of its proper divisors (3843916236769).

11121101102111 is a wasteful number, since it uses less digits than its factorization.

11121101102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14304.

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

Adding to 11121101102111 its reverse (11120110112111), we get a palindrome (22241211214222).

The spelling of 11121101102111 in words is "eleven trillion, one hundred twenty-one billion, one hundred one million, one hundred two thousand, one hundred eleven".