1201110100001 has 8 divisors (see below), whose sum is σ = 1398597205824. Its totient is φ = 1010097981360.

The previous prime is 1201110099997. The next prime is 1201110100027. The reversal of 1201110100001 is 1000010111021.

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 1201110100001 - 2² = 1201110099997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201110100081) 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, 1618746395 + ... + 1618747136.

It is an arithmetic number, because the mean of its divisors is an integer number (174824650728).

Almost surely, 2^{1201110100001} is an apocalyptic number.

It is an amenable number.

1201110100001 is a deficient number, since it is larger than the sum of its proper divisors (197487105823).

1201110100001 is an equidigital number, since it uses as much as digits as its factorization.

1201110100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237493591.

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

Adding to 1201110100001 its reverse (1000010111021), we get a palindrome (2201120211022).

The spelling of 1201110100001 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred thousand, one".