121220033351 has 2 divisors, whose sum is σ = 121220033352. Its totient is φ = 121220033350.

The previous prime is 121220033327. The next prime is 121220033353. The reversal of 121220033351 is 153330022121.

It is a strong prime.

It is an emirp because it is prime and its reverse (153330022121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121220033351 - 2⁶ = 121220033287 is a prime.

Together with 121220033353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121220033353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610016675 + 60610016676.

It is an arithmetic number, because the mean of its divisors is an integer number (60610016676).

Almost surely, 2^121220033351 is an apocalyptic number.

121220033351 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220033351 is an equidigital number, since it uses as much as digits as its factorization.

121220033351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 121220033351 its reverse (153330022121), we get a palindrome (274550055472).

The spelling of 121220033351 in words is "one hundred twenty-one billion, two hundred twenty million, thirty-three thousand, three hundred fifty-one".