111302203212131 has 16 divisors (see below), whose sum is σ = 117869942789280. Its totient is φ = 104736749022720.

The previous prime is 111302203212047. The next prime is 111302203212149. The reversal of 111302203212131 is 131212302203111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111302203212131 - 2¹⁰ = 111302203211107 is a prime.

It is a super-2 number, since 2×111302203212131² (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 = 111302203212097 and 111302203212106.

It is not an unprimeable number, because it can be changed into a prime (111302203212631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4397719505 + ... + 4397744813.

It is an arithmetic number, because the mean of its divisors is an integer number (7366871424330).

Almost surely, 2^{111302203212131} is an apocalyptic number.

111302203212131 is a deficient number, since it is larger than the sum of its proper divisors (6567739577149).

111302203212131 is a wasteful number, since it uses less digits than its factorization.

111302203212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60214.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111302203212131 its reverse (131212302203111), we get a palindrome (242514505415242).

The spelling of 111302203212131 in words is "one hundred eleven trillion, three hundred two billion, two hundred three million, two hundred twelve thousand, one hundred thirty-one".