120021301011 has 4 divisors (see below), whose sum is σ = 160028401352. Its totient is φ = 80014200672.

The previous prime is 120021300953. The next prime is 120021301031. The reversal of 120021301011 is 110103120021.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-120021301011 is a prime.

It is a super-2 number, since 2×120021301011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021301031) by changing a digit.

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, 20003550166 + ... + 20003550171.

It is an arithmetic number, because the mean of its divisors is an integer number (40007100338).

Almost surely, 2^120021301011 is an apocalyptic number.

120021301011 is a deficient number, since it is larger than the sum of its proper divisors (40007100341).

120021301011 is an equidigital number, since it uses as much as digits as its factorization.

120021301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40007100340.

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

Adding to 120021301011 its reverse (110103120021), we get a palindrome (230124421032).

The spelling of 120021301011 in words is "one hundred twenty billion, twenty-one million, three hundred one thousand, eleven".