11110110220121 has 16 divisors (see below), whose sum is σ = 12154916144448. Its totient is φ = 10071105792000.

The previous prime is 11110110220109. The next prime is 11110110220127. The reversal of 11110110220121 is 12102201101111.

It is a de Polignac number, because none of the positive numbers 2^k-11110110220121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110110220096 and 11110110220105.

It is not an unprimeable number, because it can be changed into a prime (11110110220127) 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, 174652721 + ... + 174716321.

It is an arithmetic number, because the mean of its divisors is an integer number (759682259028).

Almost surely, 2^{11110110220121} is an apocalyptic number.

11110110220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110110220121 is a deficient number, since it is larger than the sum of its proper divisors (1044805924327).

11110110220121 is a wasteful number, since it uses less digits than its factorization.

11110110220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108952.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11110110220121 its reverse (12102201101111), we get a palindrome (23212311321232).

The spelling of 11110110220121 in words is "eleven trillion, one hundred ten billion, one hundred ten million, two hundred twenty thousand, one hundred twenty-one".