121002103342 has 4 divisors (see below), whose sum is σ = 181503155016. Its totient is φ = 60501051670.

The previous prime is 121002103319. The next prime is 121002103351. The reversal of 121002103342 is 243301200121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243301200121 = 7 ⋅34757314303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250525834 + ... + 30250525837.

It is an arithmetic number, because the mean of its divisors is an integer number (45375788754).

Almost surely, 2^121002103342 is an apocalyptic number.

121002103342 is a deficient number, since it is larger than the sum of its proper divisors (60501051674).

121002103342 is an equidigital number, since it uses as much as digits as its factorization.

121002103342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60501051673.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121002103342 its reverse (243301200121), we get a palindrome (364303303463).

The spelling of 121002103342 in words is "one hundred twenty-one billion, two million, one hundred three thousand, three hundred forty-two".