220200122020121 has 8 divisors (see below), whose sum is σ = 220288453731840. Its totient is φ = 220111807931712.

The previous prime is 220200122020079. The next prime is 220200122020133. The reversal of 220200122020121 is 121020221002022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220200122020121 - 2²⁶ = 220200054911257 is a prime.

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 220200122020121.

It is not an unprimeable number, because it can be changed into a prime (220200122028121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20617316 + ... + 29418938.

It is an arithmetic number, because the mean of its divisors is an integer number (27536056716480).

Almost surely, 2^{220200122020121} is an apocalyptic number.

It is an amenable number.

220200122020121 is a deficient number, since it is larger than the sum of its proper divisors (88331711719).

220200122020121 is an equidigital number, since it uses as much as digits as its factorization.

220200122020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811655.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220200122020121 its reverse (121020221002022), we get a palindrome (341220343022143).

The spelling of 220200122020121 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-two million, twenty thousand, one hundred twenty-one".