121122023010221 has 16 divisors (see below), whose sum is σ = 122343463080960. Its totient is φ = 119907179167680.

The previous prime is 121122023010217. The next prime is 121122023010223. The reversal of 121122023010221 is 122010320221121.

It is a cyclic number.

It is not a de Polignac number, because 121122023010221 - 2² = 121122023010217 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 = 121122023010193 and 121122023010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122023010223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95728511 + ... + 96985523.

It is an arithmetic number, because the mean of its divisors is an integer number (7646466442560).

Almost surely, 2^{121122023010221} is an apocalyptic number.

It is an amenable number.

121122023010221 is a deficient number, since it is larger than the sum of its proper divisors (1221440070739).

121122023010221 is a wasteful number, since it uses less digits than its factorization.

121122023010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259636.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121122023010221 its reverse (122010320221121), we get a palindrome (243132343231342).

The spelling of 121122023010221 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-three million, ten thousand, two hundred twenty-one".