110120221200021 has 16 divisors (see below), whose sum is σ = 149315935675200. Its totient is φ = 72169000121088.

The previous prime is 110120221200001. The next prime is 110120221200037. The reversal of 110120221200021 is 120002122021011.

It is not a de Polignac number, because 110120221200021 - 2¹⁰ = 110120221198997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120221200001) 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, 122924295 + ... + 123816891.

It is an arithmetic number, because the mean of its divisors is an integer number (9332245979700).

Almost surely, 2^{110120221200021} is an apocalyptic number.

It is an amenable number.

110120221200021 is a deficient number, since it is larger than the sum of its proper divisors (39195714475179).

110120221200021 is an equidigital number, since it uses as much as digits as its factorization.

110120221200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589668.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110120221200021 its reverse (120002122021011), we get a palindrome (230122343221032).

The spelling of 110120221200021 in words is "one hundred ten trillion, one hundred twenty billion, two hundred twenty-one million, two hundred thousand, twenty-one".