121054246242 has 48 divisors (see below), whose sum is σ = 257052543552. Its totient is φ = 37998635040.

The previous prime is 121054246219. The next prime is 121054246253. The reversal of 121054246242 is 242642450121.

It is a super-2 number, since 2×121054246242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194392 + ... + 529052.

It is an arithmetic number, because the mean of its divisors is an integer number (5355261324).

Almost surely, 2^121054246242 is an apocalyptic number.

121054246242 is an abundant number, since it is smaller than the sum of its proper divisors (135998297310).

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

121054246242 is a wasteful number, since it uses less digits than its factorization.

121054246242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334871 (or 334852 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 121054246242 its reverse (242642450121), we get a palindrome (363696696363).

The spelling of 121054246242 in words is "one hundred twenty-one billion, fifty-four million, two hundred forty-six thousand, two hundred forty-two".