120021103129 has 8 divisors (see below), whose sum is σ = 120401128512. Its totient is φ = 119641639920.

The previous prime is 120021103127. The next prime is 120021103133. The reversal of 120021103129 is 921301120021.

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 120021103129 - 2¹ = 120021103127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021103127) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 289194 + ... + 568924.

It is an arithmetic number, because the mean of its divisors is an integer number (15050141064).

Almost surely, 2^120021103129 is an apocalyptic number.

It is an amenable number.

120021103129 is a deficient number, since it is larger than the sum of its proper divisors (380025383).

120021103129 is an equidigital number, since it uses as much as digits as its factorization.

120021103129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281087.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 120021103129 in words is "one hundred twenty billion, twenty-one million, one hundred three thousand, one hundred twenty-nine".