1111100651201 has 2 divisors, whose sum is σ = 1111100651202. Its totient is φ = 1111100651200.

The previous prime is 1111100651183. The next prime is 1111100651261. The reversal of 1111100651201 is 1021560011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095892828801 + 15207822400 = 1046849^2 + 123320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111100651201 - 2¹⁸ = 1111100389057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111100651261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550325600 + 555550325601.

It is an arithmetic number, because the mean of its divisors is an integer number (555550325601).

Almost surely, 2^{1111100651201} is an apocalyptic number.

It is an amenable number.

1111100651201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111100651201 is an equidigital number, since it uses as much as digits as its factorization.

1111100651201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 20.

Adding to 1111100651201 its reverse (1021560011111), we get a palindrome (2132660662312).

The spelling of 1111100651201 in words is "one trillion, one hundred eleven billion, one hundred million, six hundred fifty-one thousand, two hundred one".