11111100122110 has 128 divisors (see below), whose sum is σ = 21502971431424. Its totient is φ = 4118869708800.

The previous prime is 11111100122081. The next prime is 11111100122117. The reversal of 11111100122110 is 1122100111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111100122117) 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, 10128623082 + ... + 10128624178.

It is an arithmetic number, because the mean of its divisors is an integer number (167991964308).

Almost surely, 2^{11111100122110} is an apocalyptic number.

11111100122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111100122110 is a deficient number, since it is larger than the sum of its proper divisors (10391871309314).

11111100122110 is a wasteful number, since it uses less digits than its factorization.

11111100122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111100122110 its reverse (1122100111111), we get a palindrome (12233200233221).

The spelling of 11111100122110 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred twenty-two thousand, one hundred ten".