122212120101121 has 4 divisors (see below), whose sum is σ = 122227871123200. Its totient is φ = 122196369079044.

The previous prime is 122212120101089. The next prime is 122212120101167. The reversal of 122212120101121 is 121101021212221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122212120101121 - 2⁵ = 122212120101089 is a prime.

It is a super-3 number, since 3×122212120101121³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212120101191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7875499401 + ... + 7875514918.

It is an arithmetic number, because the mean of its divisors is an integer number (30556967780800).

Almost surely, 2^{122212120101121} is an apocalyptic number.

It is an amenable number.

122212120101121 is a deficient number, since it is larger than the sum of its proper divisors (15751022079).

122212120101121 is an equidigital number, since it uses as much as digits as its factorization.

122212120101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15751022078.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122212120101121 its reverse (121101021212221), we get a palindrome (243313141313342).

The spelling of 122212120101121 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty million, one hundred one thousand, one hundred twenty-one".