120303021011 has 4 divisors (see below), whose sum is σ = 120303721272. Its totient is φ = 120302320752.

The previous prime is 120303020989. The next prime is 120303021023. The reversal of 120303021011 is 110120303021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110120303021 = 733 ⋅150232337.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120303021011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120303021061) 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 3 ways as a sum of consecutive naturals, for example, 103316 + ... + 501278.

It is an arithmetic number, because the mean of its divisors is an integer number (30075930318).

Almost surely, 2^120303021011 is an apocalyptic number.

120303021011 is a deficient number, since it is larger than the sum of its proper divisors (700261).

120303021011 is an equidigital number, since it uses as much as digits as its factorization.

120303021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700260.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 120303021011 its reverse (110120303021), we get a palindrome (230423324032).

The spelling of 120303021011 in words is "one hundred twenty billion, three hundred three million, twenty-one thousand, eleven".