121222000322221 has 8 divisors (see below), whose sum is σ = 121625445507104. Its totient is φ = 120818610886320.

The previous prime is 121222000322191. The next prime is 121222000322351. The reversal of 121222000322221 is 122223000222121.

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 121222000322221 - 2³¹ = 121219852838573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121222000322192 and 121222000322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222000122221) 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, 9578895 + ... + 18281116.

It is an arithmetic number, because the mean of its divisors is an integer number (15203180688388).

Almost surely, 2^{121222000322221} is an apocalyptic number.

It is an amenable number.

121222000322221 is a deficient number, since it is larger than the sum of its proper divisors (403445184883).

121222000322221 is a wasteful number, since it uses less digits than its factorization.

121222000322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27874491.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121222000322221 its reverse (122223000222121), we get a palindrome (243445000544342).

The spelling of 121222000322221 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, three hundred twenty-two thousand, two hundred twenty-one".