121023002032221 has 8 divisors (see below), whose sum is σ = 166569293119744. Its totient is φ = 78079356149760.

The previous prime is 121023002032217. The next prime is 121023002032223. The reversal of 121023002032221 is 122230200320121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121023002032221 - 2² = 121023002032217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023002032223) 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, 650661301156 + ... + 650661301341.

It is an arithmetic number, because the mean of its divisors is an integer number (20821161639968).

Almost surely, 2^{121023002032221} is an apocalyptic number.

It is an amenable number.

121023002032221 is a deficient number, since it is larger than the sum of its proper divisors (45546291087523).

121023002032221 is a wasteful number, since it uses less digits than its factorization.

121023002032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301322602531.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121023002032221 its reverse (122230200320121), we get a palindrome (243253202352342).

The spelling of 121023002032221 in words is "one hundred twenty-one trillion, twenty-three billion, two million, thirty-two thousand, two hundred twenty-one".