11100111110121 has 64 divisors (see below), whose sum is σ = 17203060039680. Its totient is φ = 6300367856640.

The previous prime is 11100111110107. The next prime is 11100111110131. The reversal of 11100111110121 is 12101111100111.

It is not a de Polignac number, because 11100111110121 - 2¹⁷ = 11100110979049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100111110097 and 11100111110106.

It is not an unprimeable number, because it can be changed into a prime (11100111110131) 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, 6859600 + ... + 8321918.

It is an arithmetic number, because the mean of its divisors is an integer number (268797813120).

Almost surely, 2^{11100111110121} is an apocalyptic number.

11100111110121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100111110121 is a deficient number, since it is larger than the sum of its proper divisors (6102948929559).

11100111110121 is a wasteful number, since it uses less digits than its factorization.

11100111110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462566.

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

Adding to 11100111110121 its reverse (12101111100111), we get a palindrome (23201222210232).

The spelling of 11100111110121 in words is "eleven trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-one".