121022222010221 has 8 divisors (see below), whose sum is σ = 142772759606784. Its totient is φ = 100387096598160.

The previous prime is 121022222010119. The next prime is 121022222010293. The reversal of 121022222010221 is 122010222220121.

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 121022222010221 - 2²⁶ = 121022154901357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121022222010193 and 121022222010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022222060221) 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, 278853045890 + ... + 278853046323.

It is an arithmetic number, because the mean of its divisors is an integer number (17846594950848).

Almost surely, 2^{121022222010221} is an apocalyptic number.

It is an amenable number.

121022222010221 is a deficient number, since it is larger than the sum of its proper divisors (21750537596563).

121022222010221 is an equidigital number, since it uses as much as digits as its factorization.

121022222010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557706092251.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121022222010221 its reverse (122010222220121), we get a palindrome (243032444230342).

The spelling of 121022222010221 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twenty-two million, ten thousand, two hundred twenty-one".