110011122121121 has 16 divisors (see below), whose sum is σ = 126660435318144. Its totient is φ = 94647358220544.

The previous prime is 110011122121099. The next prime is 110011122121141. The reversal of 110011122121121 is 121121221110011.

It is not a de Polignac number, because 110011122121121 - 2²² = 110011117926817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 110011122121121.

It is not an unprimeable number, because it can be changed into a prime (110011122121141) 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, 2416423271 + ... + 2416468796.

It is an arithmetic number, because the mean of its divisors is an integer number (7916277207384).

Almost surely, 2^{110011122121121} is an apocalyptic number.

It is an amenable number.

110011122121121 is a deficient number, since it is larger than the sum of its proper divisors (16649313197023).

110011122121121 is a wasteful number, since it uses less digits than its factorization.

110011122121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832892200.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 110011122121121 its reverse (121121221110011), we get a palindrome (231132343231132).

The spelling of 110011122121121 in words is "one hundred ten trillion, eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".