220201020101121 has 16 divisors (see below), whose sum is σ = 293684464922688. Its totient is φ = 146759131022400.

The previous prime is 220201020101099. The next prime is 220201020101273. The reversal of 220201020101121 is 121101020102022.

It is not a de Polignac number, because 220201020101121 - 2⁷ = 220201020100993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220201020101121.

It is not an unprimeable number, because it can be changed into a prime (220201020100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270862170 + ... + 271673916.

It is an arithmetic number, because the mean of its divisors is an integer number (18355279057668).

Almost surely, 2^{220201020101121} is an apocalyptic number.

It is an amenable number.

220201020101121 is a deficient number, since it is larger than the sum of its proper divisors (73483444821567).

220201020101121 is a wasteful number, since it uses less digits than its factorization.

220201020101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837232.

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

Adding to 220201020101121 its reverse (121101020102022), we get a palindrome (341302040203143).

Subtracting from 220201020101121 its reverse (121101020102022), we obtain a palindrome (99099999999099).

The spelling of 220201020101121 in words is "two hundred twenty trillion, two hundred one billion, twenty million, one hundred one thousand, one hundred twenty-one".