1001200011201 has 48 divisors (see below), whose sum is σ = 1561181731200. Its totient is φ = 614637054720.

The previous prime is 1001200011181. The next prime is 1001200011209. The reversal of 1001200011201 is 1021100021001.

It is a happy number.

1001200011201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001200011201 - 2⁶ = 1001200011137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1001200011209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244252650 + ... + 244256748.

It is an arithmetic number, because the mean of its divisors is an integer number (32524619400).

Almost surely, 2^{1001200011201} is an apocalyptic number.

It is an amenable number.

1001200011201 is a deficient number, since it is larger than the sum of its proper divisors (559981719999).

1001200011201 is a wasteful number, since it uses less digits than its factorization.

1001200011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001200011201 its reverse (1021100021001), we get a palindrome (2022300032202).

The spelling of 1001200011201 in words is "one trillion, one billion, two hundred million, eleven thousand, two hundred one".