120201020011011 has 4 divisors (see below), whose sum is σ = 160268026681352. Its totient is φ = 80134013340672.

The previous prime is 120201020010983. The next prime is 120201020011013. The reversal of 120201020011011 is 110110020102021.

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

It is not a de Polignac number, because 120201020011011 - 2²³ = 120201011622403 is a prime.

It is a super-2 number, since 2×120201020011011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201020011013) 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, 20033503335166 + ... + 20033503335171.

It is an arithmetic number, because the mean of its divisors is an integer number (40067006670338).

Almost surely, 2^{120201020011011} is an apocalyptic number.

120201020011011 is a deficient number, since it is larger than the sum of its proper divisors (40067006670341).

120201020011011 is an equidigital number, since it uses as much as digits as its factorization.

120201020011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40067006670340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120201020011011 its reverse (110110020102021), we get a palindrome (230311040113032).

The spelling of 120201020011011 in words is "one hundred twenty trillion, two hundred one billion, twenty million, eleven thousand, eleven".