110220020212121 has 16 divisors (see below), whose sum is σ = 118303262092224. Its totient is φ = 102314548836864.

The previous prime is 110220020212111. The next prime is 110220020212153. The reversal of 110220020212121 is 121212020022011.

It is a cyclic number.

It is not a de Polignac number, because 110220020212121 - 2⁴⁶ = 39851276034457 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 110220020212121.

It is not an unprimeable number, because it can be changed into a prime (110220020212111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173157986 + ... + 173793348.

It is an arithmetic number, because the mean of its divisors is an integer number (7393953880764).

Almost surely, 2^{110220020212121} is an apocalyptic number.

It is an amenable number.

110220020212121 is a deficient number, since it is larger than the sum of its proper divisors (8083241880103).

110220020212121 is a wasteful number, since it uses less digits than its factorization.

110220020212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775240.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110220020212121 its reverse (121212020022011), we get a palindrome (231432040234132).

The spelling of 110220020212121 in words is "one hundred ten trillion, two hundred twenty billion, twenty million, two hundred twelve thousand, one hundred twenty-one".