111011010010001 has 16 divisors (see below), whose sum is σ = 117613154413440. Its totient is φ = 104416879991040.

The previous prime is 111011010009989. The next prime is 111011010010013. The reversal of 111011010010001 is 100010010110111.

It is an interprime number because it is at equal distance from previous prime (111011010009989) and next prime (111011010010013).

It is a cyclic number.

It is not a de Polignac number, because 111011010010001 - 2⁴² = 106612963498897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011010010051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909649055 + ... + 909771083.

It is an arithmetic number, because the mean of its divisors is an integer number (7350822150840).

Almost surely, 2^{111011010010001} is an apocalyptic number.

It is an amenable number.

111011010010001 is a deficient number, since it is larger than the sum of its proper divisors (6602144403439).

111011010010001 is a wasteful number, since it uses less digits than its factorization.

111011010010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154424.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111011010010001 its reverse (100010010110111), we get a palindrome (211021020120112).

The spelling of 111011010010001 in words is "one hundred eleven trillion, eleven billion, ten million, ten thousand, one".