352120101520121 has 4 divisors (see below), whose sum is σ = 384131019840144. Its totient is φ = 320109183200100.

The previous prime is 352120101520069. The next prime is 352120101520129. The reversal of 352120101520121 is 121025101021253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 352120101520121 - 2²² = 352120097325817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352120101520129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16005459159995 + ... + 16005459160016.

It is an arithmetic number, because the mean of its divisors is an integer number (96032754960036).

Almost surely, 2^{352120101520121} is an apocalyptic number.

It is an amenable number.

352120101520121 is a deficient number, since it is larger than the sum of its proper divisors (32010918320023).

352120101520121 is a wasteful number, since it uses less digits than its factorization.

352120101520121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32010918320022.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 352120101520121 its reverse (121025101021253), we get a palindrome (473145202541374).

The spelling of 352120101520121 in words is "three hundred fifty-two trillion, one hundred twenty billion, one hundred one million, five hundred twenty thousand, one hundred twenty-one".