110121022121 has 16 divisors (see below), whose sum is σ = 125388286848. Its totient is φ = 95732102400.

The previous prime is 110121022079. The next prime is 110121022153. The reversal of 110121022121 is 121220121011.

It is a de Polignac number, because none of the positive numbers 2^k-110121022121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110121022096 and 110121022105.

It is not an unprimeable number, because it can be changed into a prime (110121022171) 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, 935441 + ... + 1046561.

It is an arithmetic number, because the mean of its divisors is an integer number (7836767928).

Almost surely, 2^110121022121 is an apocalyptic number.

110121022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110121022121 is a deficient number, since it is larger than the sum of its proper divisors (15267264727).

110121022121 is a wasteful number, since it uses less digits than its factorization.

110121022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115072.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110121022121 its reverse (121220121011), we get a palindrome (231341143132).

The spelling of 110121022121 in words is "one hundred ten billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-one".