121120002221 has 8 divisors (see below), whose sum is σ = 134994430080. Its totient is φ = 107995543488.

The previous prime is 121120002193. The next prime is 121120002239. The reversal of 121120002221 is 122200021121.

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 121120002221 - 2¹⁴ = 121119985837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121120002196 and 121120002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120002121) 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, 187491941 + ... + 187492586.

It is an arithmetic number, because the mean of its divisors is an integer number (16874303760).

Almost surely, 2^121120002221 is an apocalyptic number.

It is an amenable number.

121120002221 is a deficient number, since it is larger than the sum of its proper divisors (13874427859).

121120002221 is a wasteful number, since it uses less digits than its factorization.

121120002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374984563.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121120002221 its reverse (122200021121), we get a palindrome (243320023342).

The spelling of 121120002221 in words is "one hundred twenty-one billion, one hundred twenty million, two thousand, two hundred twenty-one".