111010010010001 has 4 divisors (see below), whose sum is σ = 111010032806400. Its totient is φ = 111009987213604.

The previous prime is 111010010009911. The next prime is 111010010010013. The reversal of 111010010010001 is 100010010010111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111010010010001 - 2²⁵ = 111009976455569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111010010010091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823561 + ... + 14923078.

It is an arithmetic number, because the mean of its divisors is an integer number (27752508201600).

Almost surely, 2^{111010010010001} is an apocalyptic number.

It is an amenable number.

111010010010001 is a deficient number, since it is larger than the sum of its proper divisors (22796399).

111010010010001 is an equidigital number, since it uses as much as digits as its factorization.

111010010010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22796398.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111010010010001 its reverse (100010010010111), we get a palindrome (211020020020112).

The spelling of 111010010010001 in words is "one hundred eleven trillion, ten billion, ten million, ten thousand, one".