120201111011001 has 16 divisors (see below), whose sum is σ = 164601768513600. Its totient is φ = 77967317677248.

The previous prime is 120201111010987. The next prime is 120201111011017. The reversal of 120201111011001 is 100110111102021.

It is not a de Polignac number, because 120201111011001 - 2⁷ = 120201111010873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120201111011071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271415 + ... + 15670403.

It is an arithmetic number, because the mean of its divisors is an integer number (10287610532100).

Almost surely, 2^{120201111011001} is an apocalyptic number.

It is an amenable number.

120201111011001 is a deficient number, since it is larger than the sum of its proper divisors (44400657502599).

120201111011001 is a wasteful number, since it uses less digits than its factorization.

120201111011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479848.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 120201111011001 its reverse (100110111102021), we get a palindrome (220311222113022).

The spelling of 120201111011001 in words is "one hundred twenty trillion, two hundred one billion, one hundred eleven million, eleven thousand, one".