242122253355 has 64 divisors (see below), whose sum is σ = 431532541440. Its totient is φ = 128804515200.

The previous prime is 242122253353. The next prime is 242122253363. The reversal of 242122253355 is 553352221242.

It is a happy number.

242122253355 is a `hidden beast` number, since 2 + 42 + 12 + 2 + 253 + 355 = 666.

It is not a de Polignac number, because 242122253355 - 2¹ = 242122253353 is a prime.

It is a super-3 number, since 3×242122253355³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (242122253353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143012889 + ... + 143014581.

It is an arithmetic number, because the mean of its divisors is an integer number (6742695960).

Almost surely, 2^242122253355 is an apocalyptic number.

242122253355 is a deficient number, since it is larger than the sum of its proper divisors (189410288085).

242122253355 is a wasteful number, since it uses less digits than its factorization.

242122253355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3763 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 242122253355 its reverse (553352221242), we get a palindrome (795474474597).

The spelling of 242122253355 in words is "two hundred forty-two billion, one hundred twenty-two million, two hundred fifty-three thousand, three hundred fifty-five".