1201110000001 has 16 divisors (see below), whose sum is σ = 1247114068480. Its totient is φ = 1155578607360.

The previous prime is 1201109999981. The next prime is 1201110000007. The reversal of 1201110000001 is 1000000111021.

It is a cyclic number.

It is not a de Polignac number, because 1201110000001 - 2²¹ = 1201107902849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201110000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3640615 + ... + 3956803.

It is an arithmetic number, because the mean of its divisors is an integer number (77944629280).

Almost surely, 2^{1201110000001} is an apocalyptic number.

It is an amenable number.

1201110000001 is a deficient number, since it is larger than the sum of its proper divisors (46004068479).

1201110000001 is a wasteful number, since it uses less digits than its factorization.

1201110000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316936.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1201110000001 its reverse (1000000111021), we get a palindrome (2201110111022).

The spelling of 1201110000001 in words is "one trillion, two hundred one billion, one hundred ten million, one", and thus it is an aban number.