121032202221 has 24 divisors (see below), whose sum is σ = 203568992640. Its totient is φ = 67856327136.

The previous prime is 121032202201. The next prime is 121032202223. The reversal of 121032202221 is 122202230121.

121032202221 is a `hidden beast` number, since 1 + 210 + 32 + 202 + 221 = 666.

It is not a de Polignac number, because 121032202221 - 2¹¹ = 121032200173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121032202194 and 121032202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032202223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18120681 + ... + 18127358.

It is an arithmetic number, because the mean of its divisors is an integer number (8482041360).

Almost surely, 2^121032202221 is an apocalyptic number.

It is an amenable number.

121032202221 is a deficient number, since it is larger than the sum of its proper divisors (82536790419).

121032202221 is a wasteful number, since it uses less digits than its factorization.

121032202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36248105 (or 36248102 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121032202221 its reverse (122202230121), we get a palindrome (243234432342).

The spelling of 121032202221 in words is "one hundred twenty-one billion, thirty-two million, two hundred two thousand, two hundred twenty-one".