1001120120111 has 8 divisors (see below), whose sum is σ = 1018420391040. Its totient is φ = 983830920408.

The previous prime is 1001120120101. The next prime is 1001120120123. The reversal of 1001120120111 is 1110210211001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001120120111 - 2²⁶ = 1001053011247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001120120092 and 1001120120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001120120101) 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 7 ways as a sum of consecutive naturals, for example, 2585291 + ... + 2947196.

It is an arithmetic number, because the mean of its divisors is an integer number (127302548880).

Almost surely, 2^{1001120120111} is an apocalyptic number.

1001120120111 is a deficient number, since it is larger than the sum of its proper divisors (17300270929).

1001120120111 is an equidigital number, since it uses as much as digits as its factorization.

1001120120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535613.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1001120120111 its reverse (1110210211001), we get a palindrome (2111330331112).

The spelling of 1001120120111 in words is "one trillion, one billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".