111105620073131 has 4 divisors (see below), whose sum is σ = 111105645602952. Its totient is φ = 111105594543312.

The previous prime is 111105620073109. The next prime is 111105620073143. The reversal of 111105620073131 is 131370026501111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111105620073131 - 2¹⁸ = 111105619810987 is a prime.

It is a super-2 number, since 2×111105620073131² (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 (111105620073731) 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, 4417265 + ... + 15547458.

It is an arithmetic number, because the mean of its divisors is an integer number (27776411400738).

Almost surely, 2^{111105620073131} is an apocalyptic number.

111105620073131 is a deficient number, since it is larger than the sum of its proper divisors (25529821).

111105620073131 is an equidigital number, since it uses as much as digits as its factorization.

111105620073131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25529820.

The product of its (nonzero) digits is 3780, while the sum is 32.

Adding to 111105620073131 its reverse (131370026501111), we get a palindrome (242475646574242).

The spelling of 111105620073131 in words is "one hundred eleven trillion, one hundred five billion, six hundred twenty million, seventy-three thousand, one hundred thirty-one".