120351421105 has 8 divisors (see below), whose sum is σ = 146869531200. Its totient is φ = 94649252976.

The previous prime is 120351421079. The next prime is 120351421133. The reversal of 120351421105 is 501124153021.

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

It is a cyclic number.

It is not a de Polignac number, because 120351421105 - 2²¹ = 120349323953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120351421105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203985165 + ... + 203985754.

It is an arithmetic number, because the mean of its divisors is an integer number (18358691400).

Almost surely, 2^120351421105 is an apocalyptic number.

It is an amenable number.

120351421105 is a deficient number, since it is larger than the sum of its proper divisors (26518110095).

120351421105 is an equidigital number, since it uses as much as digits as its factorization.

120351421105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407970983.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 120351421105 its reverse (501124153021), we get a palindrome (621475574126).

The spelling of 120351421105 in words is "one hundred twenty billion, three hundred fifty-one million, four hundred twenty-one thousand, one hundred five".