121001302442 has 4 divisors (see below), whose sum is σ = 181501953666. Its totient is φ = 60500651220.

The previous prime is 121001302417. The next prime is 121001302483. The reversal of 121001302442 is 244203100121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244203100121 = 303617 ⋅804313.

It can be written as a sum of positive squares in only one way, i.e., 76640939281 + 44360363161 = 276841^2 + 210619^2 .

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 as a sum of consecutive naturals, namely, 30250325609 + ... + 30250325612.

Almost surely, 2^121001302442 is an apocalyptic number.

121001302442 is a deficient number, since it is larger than the sum of its proper divisors (60500651224).

121001302442 is an equidigital number, since it uses as much as digits as its factorization.

121001302442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60500651223.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121001302442 its reverse (244203100121), we get a palindrome (365204402563).

The spelling of 121001302442 in words is "one hundred twenty-one billion, one million, three hundred two thousand, four hundred forty-two".