120021001111003 has 8 divisors (see below), whose sum is σ = 120315260599200. Its totient is φ = 119726745572928.

The previous prime is 120021001110961. The next prime is 120021001111019. The reversal of 120021001111003 is 300111100120021.

It is a happy number.

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 120021001111003 - 2¹³ = 120021001102811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021001111073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65302125 + ... + 67114897.

It is an arithmetic number, because the mean of its divisors is an integer number (15039407574900).

Almost surely, 2^{120021001111003} is an apocalyptic number.

120021001111003 is a deficient number, since it is larger than the sum of its proper divisors (294259488197).

120021001111003 is a wasteful number, since it uses less digits than its factorization.

120021001111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975061.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 120021001111003 its reverse (300111100120021), we get a palindrome (420132101231024).

The spelling of 120021001111003 in words is "one hundred twenty trillion, twenty-one billion, one million, one hundred eleven thousand, three".