111317628682201 has 4 divisors (see below), whose sum is σ = 111319200525312. Its totient is φ = 111316056839092.

The previous prime is 111317628682187. The next prime is 111317628682243. The reversal of 111317628682201 is 102286826713111.

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 111317628682201 - 2²¹ = 111317626585049 is a prime.

It is a super-2 number, since 2×111317628682201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111317628682301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785815321 + ... + 785956966.

It is an arithmetic number, because the mean of its divisors is an integer number (27829800131328).

Almost surely, 2^{111317628682201} is an apocalyptic number.

It is an amenable number.

111317628682201 is a deficient number, since it is larger than the sum of its proper divisors (1571843111).

111317628682201 is an equidigital number, since it uses as much as digits as its factorization.

111317628682201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571843110.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 111317628682201 in words is "one hundred eleven trillion, three hundred seventeen billion, six hundred twenty-eight million, six hundred eighty-two thousand, two hundred one".