121220222022121 has 8 divisors (see below), whose sum is σ = 126072728053184. Its totient is φ = 116460144677520.

The previous prime is 121220222022083. The next prime is 121220222022127.

121220222022121 is nontrivially palindromic in base 10.

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 121220222022121 - 2¹⁷ = 121220221891049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121220222022092 and 121220222022101.

It is not an unprimeable number, because it can be changed into a prime (121220222022127) 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, 23107168941 + ... + 23107174186.

It is an arithmetic number, because the mean of its divisors is an integer number (15759091006648).

Almost surely, 2^{121220222022121} is an apocalyptic number.

It is an amenable number.

121220222022121 is a deficient number, since it is larger than the sum of its proper divisors (4852506031063).

121220222022121 is an equidigital number, since it uses as much as digits as its factorization.

121220222022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46214343231.

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 121220222022121 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-one".