122212212121101 has 8 divisors (see below), whose sum is σ = 164780510725440. Its totient is φ = 80559360798752.

The previous prime is 122212212121031. The next prime is 122212212121151. The reversal of 122212212121101 is 101121212212221.

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 122212212121101 - 2⁹ = 122212212120589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212212121151) 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, 228861820185 + ... + 228861820718.

It is an arithmetic number, because the mean of its divisors is an integer number (20597563840680).

Almost surely, 2^{122212212121101} is an apocalyptic number.

It is an amenable number.

122212212121101 is a deficient number, since it is larger than the sum of its proper divisors (42568298604339).

122212212121101 is an equidigital number, since it uses as much as digits as its factorization.

122212212121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457723640995.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122212212121101 its reverse (101121212212221), we get a palindrome (223333424333322).

The spelling of 122212212121101 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred twelve million, one hundred twenty-one thousand, one hundred one".