1001001011201 has 8 divisors (see below), whose sum is σ = 1023091582464. Its totient is φ = 979149257200.

The previous prime is 1001001011137. The next prime is 1001001011239. The reversal of 1001001011201 is 1021101001001.

It is a happy number.

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 1001001011201 - 2⁶ = 1001001011137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001001001201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59695841 + ... + 59712606.

It is an arithmetic number, because the mean of its divisors is an integer number (127886447808).

Almost surely, 2^{1001001011201} is an apocalyptic number.

It is an amenable number.

1001001011201 is a deficient number, since it is larger than the sum of its proper divisors (22090571263).

1001001011201 is a wasteful number, since it uses less digits than its factorization.

1001001011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119408631.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001001011201 its reverse (1021101001001), we get a palindrome (2022102012202).

The spelling of 1001001011201 in words is "one trillion, one billion, one million, eleven thousand, two hundred one".