121044142242 has 24 divisors (see below), whose sum is σ = 262349296560. Its totient is φ = 40334664600.

The previous prime is 121044142199. The next prime is 121044142243. The reversal of 121044142242 is 242241440121.

121044142242 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 4 + 414 + 2 + 242 = 666.

121044142242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121044142242² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121044142243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059384 + ... + 1168067.

It is an arithmetic number, because the mean of its divisors is an integer number (10931220690).

Almost surely, 2^121044142242 is an apocalyptic number.

121044142242 is an abundant number, since it is smaller than the sum of its proper divisors (141305154318).

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

121044142242 is a wasteful number, since it uses less digits than its factorization.

121044142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230478 (or 2230475 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 121044142242 its reverse (242241440121), we get a palindrome (363285582363).

The spelling of 121044142242 in words is "one hundred twenty-one billion, forty-four million, one hundred forty-two thousand, two hundred forty-two".