220122201012121 has 8 divisors (see below), whose sum is σ = 221180703204384. Its totient is φ = 219064898258880.

The previous prime is 220122201012083. The next prime is 220122201012127. The reversal of 220122201012121 is 121210102221022.

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 220122201012121 - 2¹⁵ = 220122200979353 is a prime.

It is a super-3 number, since 3×220122201012121³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220122201012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299491831 + ... + 300225916.

It is an arithmetic number, because the mean of its divisors is an integer number (27647587900548).

Almost surely, 2^{220122201012121} is an apocalyptic number.

It is an amenable number.

220122201012121 is a deficient number, since it is larger than the sum of its proper divisors (1058502192263).

220122201012121 is a wasteful number, since it uses less digits than its factorization.

220122201012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599719511.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220122201012121 its reverse (121210102221022), we get a palindrome (341332303233143).

The spelling of 220122201012121 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred one million, twelve thousand, one hundred twenty-one".