1010111001201 has 32 divisors (see below), whose sum is σ = 1529490499200. Its totient is φ = 658667298240.

The previous prime is 1010111001197. The next prime is 1010111001203. The reversal of 1010111001201 is 1021001110101.

It is not a de Polignac number, because 1010111001201 - 2² = 1010111001197 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 (1010111001203) 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 31 ways as a sum of consecutive naturals, for example, 1418326 + ... + 2007951.

It is an arithmetic number, because the mean of its divisors is an integer number (47796578100).

Almost surely, 2^{1010111001201} is an apocalyptic number.

It is an amenable number.

1010111001201 is a deficient number, since it is larger than the sum of its proper divisors (519379497999).

1010111001201 is a wasteful number, since it uses less digits than its factorization.

1010111001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426526 (or 3426520 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1010111001201 its reverse (1021001110101), we get a palindrome (2031112111302).

The spelling of 1010111001201 in words is "one trillion, ten billion, one hundred eleven million, one thousand, two hundred one".