220110111002121 has 8 divisors (see below), whose sum is σ = 300305267724000. Its totient is φ = 143327514140832.

The previous prime is 220110111002101. The next prime is 220110111002143. The reversal of 220110111002121 is 121200111011022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220110111002121 - 2¹⁰ = 220110111001097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220110111002121.

It is not an unprimeable number, because it can be changed into a prime (220110111002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853139964996 + ... + 853139965253.

It is an arithmetic number, because the mean of its divisors is an integer number (37538158465500).

Almost surely, 2^{220110111002121} is an apocalyptic number.

It is an amenable number.

220110111002121 is a deficient number, since it is larger than the sum of its proper divisors (80195156721879).

220110111002121 is a wasteful number, since it uses less digits than its factorization.

220110111002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706279930295.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220110111002121 its reverse (121200111011022), we get a palindrome (341310222013143).

The spelling of 220110111002121 in words is "two hundred twenty trillion, one hundred ten billion, one hundred eleven million, two thousand, one hundred twenty-one".