1001120201109 has 64 divisors (see below), whose sum is σ = 1727180083200. Its totient is φ = 561316049856.

The previous prime is 1001120201057. The next prime is 1001120201143. The reversal of 1001120201109 is 9011020211001.

It is a happy number.

It is not a de Polignac number, because 1001120201109 - 2¹¹ = 1001120199061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001120201091 and 1001120201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001120201189) 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 63 ways as a sum of consecutive naturals, for example, 1886002 + ... + 2357804.

It is an arithmetic number, because the mean of its divisors is an integer number (26987188800).

Almost surely, 2^{1001120201109} is an apocalyptic number.

It is an amenable number.

1001120201109 is a deficient number, since it is larger than the sum of its proper divisors (726059882091).

1001120201109 is a wasteful number, since it uses less digits than its factorization.

1001120201109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472031 (or 472025 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 1001120201109 in words is "one trillion, one billion, one hundred twenty million, two hundred one thousand, one hundred nine".