110121022010021 has 16 divisors (see below), whose sum is σ = 120463786967040. Its totient is φ = 99833832018480.

The previous prime is 110121022010017. The next prime is 110121022010029. The reversal of 110121022010021 is 120010220121011.

It is a cyclic number.

It is not a de Polignac number, because 110121022010021 - 2² = 110121022010017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110121022009978 and 110121022010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121022010029) 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, 807500 + ... + 14862506.

It is an arithmetic number, because the mean of its divisors is an integer number (7528986685440).

Almost surely, 2^{110121022010021} is an apocalyptic number.

110121022010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110121022010021 is a deficient number, since it is larger than the sum of its proper divisors (10342764957019).

110121022010021 is a wasteful number, since it uses less digits than its factorization.

110121022010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14056984.

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

Adding to 110121022010021 its reverse (120010220121011), we get a palindrome (230131242131032).

The spelling of 110121022010021 in words is "one hundred ten trillion, one hundred twenty-one billion, twenty-two million, ten thousand, twenty-one".