120020001020011 has 4 divisors (see below), whose sum is σ = 120784459625392. Its totient is φ = 119255542414632.

The previous prime is 120020001019969. The next prime is 120020001020053. The reversal of 120020001020011 is 110020100020021.

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

It is an interprime number because it is at equal distance from previous prime (120020001019969) and next prime (120020001020053).

It is a cyclic number.

It is not a de Polignac number, because 120020001020011 - 2¹¹ = 120020001017963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120020001020011.

It is not an unprimeable number, because it can be changed into a prime (120020001026011) 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, 382229302455 + ... + 382229302768.

It is an arithmetic number, because the mean of its divisors is an integer number (30196114906348).

Almost surely, 2^{120020001020011} is an apocalyptic number.

120020001020011 is a deficient number, since it is larger than the sum of its proper divisors (764458605381).

120020001020011 is an equidigital number, since it uses as much as digits as its factorization.

120020001020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764458605380.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120020001020011 its reverse (110020100020021), we get a palindrome (230040101040032).

It can be divided in two parts, 1200200010 and 20011, that added together give a palindrome (1200220021).

The spelling of 120020001020011 in words is "one hundred twenty trillion, twenty billion, one million, twenty thousand, eleven".