220122202020121 has 8 divisors (see below), whose sum is σ = 233076788872704. Its totient is φ = 207168306504000.

The previous prime is 220122202020113. The next prime is 220122202020157. The reversal of 220122202020121 is 121020202221022.

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 220122202020121 - 2³ = 220122202020113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220122202020821) 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, 172178505 + ... + 173452246.

It is an arithmetic number, because the mean of its divisors is an integer number (29134598609088).

Almost surely, 2^{220122202020121} is an apocalyptic number.

It is an amenable number.

220122202020121 is a deficient number, since it is larger than the sum of its proper divisors (12954586852583).

220122202020121 is a wasteful number, since it uses less digits than its factorization.

220122202020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345668231.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220122202020121 its reverse (121020202221022), we get a palindrome (341142404241143).

The spelling of 220122202020121 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred two million, twenty thousand, one hundred twenty-one".