121021303122211 has 8 divisors (see below), whose sum is σ = 121954880646144. Its totient is φ = 120091215608520.

The previous prime is 121021303122199. The next prime is 121021303122227. The reversal of 121021303122211 is 112221303120121.

It is a happy number.

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 121021303122211 - 2⁹ = 121021303121699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121021303122311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872432941 + ... + 872571646.

It is an arithmetic number, because the mean of its divisors is an integer number (15244360080768).

Almost surely, 2^{121021303122211} is an apocalyptic number.

121021303122211 is a deficient number, since it is larger than the sum of its proper divisors (933577523933).

121021303122211 is a wasteful number, since it uses less digits than its factorization.

121021303122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745005121.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121021303122211 its reverse (112221303120121), we get a palindrome (233242606242332).

The spelling of 121021303122211 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred three million, one hundred twenty-two thousand, two hundred eleven".