120202011011 has 4 divisors (see below), whose sum is σ = 120511014000. Its totient is φ = 119893008024.

The previous prime is 120202010927. The next prime is 120202011019. The reversal of 120202011011 is 110110202021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110110202021 = 37511 ⋅2935411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120202011011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202010983 and 120202011001.

It is not an unprimeable number, because it can be changed into a prime (120202011019) 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, 154500911 + ... + 154501688.

It is an arithmetic number, because the mean of its divisors is an integer number (30127753500).

Almost surely, 2^120202011011 is an apocalyptic number.

120202011011 is a deficient number, since it is larger than the sum of its proper divisors (309002989).

120202011011 is an equidigital number, since it uses as much as digits as its factorization.

120202011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309002988.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120202011011 its reverse (110110202021), we get a palindrome (230312213032).

The spelling of 120202011011 in words is "one hundred twenty billion, two hundred two million, eleven thousand, eleven".