111102212112131 has 8 divisors (see below), whose sum is σ = 115932889464864. Its totient is φ = 106271546958720.

The previous prime is 111102212112083. The next prime is 111102212112217. The reversal of 111102212112131 is 131211212201111.

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 111102212112131 - 2¹⁸ = 111102211849987 is a prime.

It is a super-2 number, since 2×111102212112131² (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 (111102212112431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18931541 + ... + 24095801.

It is an arithmetic number, because the mean of its divisors is an integer number (14491611183108).

Almost surely, 2^{111102212112131} is an apocalyptic number.

111102212112131 is a deficient number, since it is larger than the sum of its proper divisors (4830677352733).

111102212112131 is an equidigital number, since it uses as much as digits as its factorization.

111102212112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099661.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 111102212112131 its reverse (131211212201111), we get a palindrome (242313424313242).

The spelling of 111102212112131 in words is "one hundred eleven trillion, one hundred two billion, two hundred twelve million, one hundred twelve thousand, one hundred thirty-one".