242121154888 has 16 divisors (see below), whose sum is σ = 454432523580. Its totient is φ = 120939148608.

The previous prime is 242121154871. The next prime is 242121154973. The reversal of 242121154888 is 888451121242.

It can be written as a sum of positive squares in 2 ways, for example, as 242121075364 + 79524 = 492058^2 + 282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15170131 + ... + 15186082.

Almost surely, 2^242121154888 is an apocalyptic number.

It is an amenable number.

242121154888 is a deficient number, since it is larger than the sum of its proper divisors (212311368692).

242121154888 is a wasteful number, since it uses less digits than its factorization.

242121154888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30357216 (or 30357212 counting only the distinct ones).

The product of its digits is 327680, while the sum is 46.

It can be divided in two parts, 2421211 and 54888, that added together give a 5-th power (2476099 = 19⁵).

The spelling of 242121154888 in words is "two hundred forty-two billion, one hundred twenty-one million, one hundred fifty-four thousand, eight hundred eighty-eight".