242140111122 has 64 divisors (see below), whose sum is σ = 599032627200. Its totient is φ = 63540189504.

The previous prime is 242140111121. The next prime is 242140111181. The reversal of 242140111122 is 221111041242.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (242140111121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1005618 + ... + 1222925.

It is an arithmetic number, because the mean of its divisors is an integer number (9359884800).

Almost surely, 2^242140111122 is an apocalyptic number.

242140111122 is an abundant number, since it is smaller than the sum of its proper divisors (356892516078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242140111122 is a wasteful number, since it uses less digits than its factorization.

242140111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228767.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 242140111122 its reverse (221111041242), we get a palindrome (463251152364).

The spelling of 242140111122 in words is "two hundred forty-two billion, one hundred forty million, one hundred eleven thousand, one hundred twenty-two".