111220313321131 has 8 divisors (see below), whose sum is σ = 127111357107680. Its totient is φ = 95329876434048.

The previous prime is 111220313321053. The next prime is 111220313321137. The reversal of 111220313321131 is 131123313022111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111220313321131 - 2⁴¹ = 109021290065579 is a prime.

It is a super-2 number, since 2×111220313321131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111220313321096 and 111220313321105.

It is not an unprimeable number, because it can be changed into a prime (111220313321137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151332096 + ... + 152065261.

It is an arithmetic number, because the mean of its divisors is an integer number (15888919638460).

Almost surely, 2^{111220313321131} is an apocalyptic number.

111220313321131 is a deficient number, since it is larger than the sum of its proper divisors (15891043786549).

111220313321131 is an equidigital number, since it uses as much as digits as its factorization.

111220313321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303449733.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 111220313321131 its reverse (131123313022111), we get a palindrome (242343626343242).

The spelling of 111220313321131 in words is "one hundred eleven trillion, two hundred twenty billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-one".