220001122201121 has 16 divisors (see below), whose sum is σ = 222055619385600. Its totient is φ = 217953652986000.

The previous prime is 220001122201099. The next prime is 220001122201127. The reversal of 220001122201121 is 121102221100022.

It is a cyclic number.

It is not a de Polignac number, because 220001122201121 - 2²⁶ = 220001055092257 is a prime.

It is a super-3 number, since 3×220001122201121³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220001122201121.

It is not an unprimeable number, because it can be changed into a prime (220001122201127) 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 15 ways as a sum of consecutive naturals, for example, 210520946 + ... + 211563396.

It is an arithmetic number, because the mean of its divisors is an integer number (13878476211600).

Almost surely, 2^{220001122201121} is an apocalyptic number.

It is an amenable number.

220001122201121 is a deficient number, since it is larger than the sum of its proper divisors (2054497184479).

220001122201121 is a wasteful number, since it uses less digits than its factorization.

220001122201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045820.

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

Adding to 220001122201121 its reverse (121102221100022), we get a palindrome (341103343301143).

The spelling of 220001122201121 in words is "two hundred twenty trillion, one billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-one".