121421301333 has 16 divisors (see below), whose sum is σ = 170513215680. Its totient is φ = 76643328384.

The previous prime is 121421301289. The next prime is 121421301359. The reversal of 121421301333 is 333103124121.

It is not a de Polignac number, because 121421301333 - 2⁶ = 121421301269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121421301733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507666 + ... + 707507.

It is an arithmetic number, because the mean of its divisors is an integer number (10657075980).

Almost surely, 2^121421301333 is an apocalyptic number.

It is an amenable number.

121421301333 is a deficient number, since it is larger than the sum of its proper divisors (49091914347).

121421301333 is a wasteful number, since it uses less digits than its factorization.

121421301333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216948.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121421301333 its reverse (333103124121), we get a palindrome (454524425454).

The spelling of 121421301333 in words is "one hundred twenty-one billion, four hundred twenty-one million, three hundred one thousand, three hundred thirty-three".