121042023350042 has 8 divisors (see below), whose sum is σ = 181563086485332. Its totient is φ = 60520994521600.

The previous prime is 121042023349913. The next prime is 121042023350077. The reversal of 121042023350042 is 240053320240121.

It can be written as a sum of positive squares in 2 ways, for example, as 80562131360881 + 40479891989161 = 8975641^2 + 6362381^2 .

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

It is a super-2 number, since 2×121042023350042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121042023349987 and 121042023350014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3837692 + ... + 16025352.

Almost surely, 2^{121042023350042} is an apocalyptic number.

121042023350042 is a deficient number, since it is larger than the sum of its proper divisors (60521063135290).

121042023350042 is a wasteful number, since it uses less digits than its factorization.

121042023350042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17153424.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 121042023350042 its reverse (240053320240121), we get a palindrome (361095343590163).

The spelling of 121042023350042 in words is "one hundred twenty-one trillion, forty-two billion, twenty-three million, three hundred fifty thousand, forty-two".