100120342121042 has 8 divisors (see below), whose sum is σ = 152081532336000. Its totient is φ = 49426498009044.

The previous prime is 100120342121029. The next prime is 100120342121069. The reversal of 100120342121042 is 240121243021001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100120342120999 and 100120342121017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316836525542 + ... + 316836525857.

It is an arithmetic number, because the mean of its divisors is an integer number (19010191542000).

Almost surely, 2^{100120342121042} is an apocalyptic number.

100120342121042 is a deficient number, since it is larger than the sum of its proper divisors (51961190214958).

100120342121042 is an equidigital number, since it uses as much as digits as its factorization.

100120342121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633673051480.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 100120342121042 its reverse (240121243021001), we get a palindrome (340241585142043).

The spelling of 100120342121042 in words is "one hundred trillion, one hundred twenty billion, three hundred forty-two million, one hundred twenty-one thousand, forty-two".