121401120242 has 8 divisors (see below), whose sum is σ = 182863612800. Its totient is φ = 60446582644.

The previous prime is 121401120241. The next prime is 121401120359. The reversal of 121401120242 is 242021104121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121401120241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126988142 + ... + 126989097.

It is an arithmetic number, because the mean of its divisors is an integer number (22857951600).

Almost surely, 2^121401120242 is an apocalyptic number.

121401120242 is a deficient number, since it is larger than the sum of its proper divisors (61462492558).

121401120242 is a wasteful number, since it uses less digits than its factorization.

121401120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253977480.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121401120242 its reverse (242021104121), we get a palindrome (363422224363).

The spelling of 121401120242 in words is "one hundred twenty-one billion, four hundred one million, one hundred twenty thousand, two hundred forty-two".