121335325355 has 8 divisors (see below), whose sum is σ = 147043998864. Its totient is φ = 96107188000.

The previous prime is 121335325313. The next prime is 121335325357. The reversal of 121335325355 is 553523533121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121335325355 - 2¹⁶ = 121335259819 is a prime.

It is a super-2 number, since 2×121335325355² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121335325357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120133481 + ... + 120134490.

It is an arithmetic number, because the mean of its divisors is an integer number (18380499858).

Almost surely, 2^121335325355 is an apocalyptic number.

121335325355 is a deficient number, since it is larger than the sum of its proper divisors (25708673509).

121335325355 is a wasteful number, since it uses less digits than its factorization.

121335325355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240268077.

The product of its digits is 202500, while the sum is 38.

Adding to 121335325355 its reverse (553523533121), we get a palindrome (674858858476).

The spelling of 121335325355 in words is "one hundred twenty-one billion, three hundred thirty-five million, three hundred twenty-five thousand, three hundred fifty-five".