116222116531 has 4 divisors (see below), whose sum is σ = 116632795672. Its totient is φ = 115811437392.

The previous prime is 116222116501. The next prime is 116222116537. The reversal of 116222116531 is 135611222611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135611222611 = 19 ⋅7137432769.

It is a cyclic number.

It is not a de Polignac number, because 116222116531 - 2⁷ = 116222116403 is a prime.

It is a super-2 number, since 2×116222116531² (a number of 23 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 = 116222116493 and 116222116502.

It is not an unprimeable number, because it can be changed into a prime (116222116537) 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, 205339146 + ... + 205339711.

It is an arithmetic number, because the mean of its divisors is an integer number (29158198918).

Almost surely, 2^116222116531 is an apocalyptic number.

116222116531 is a deficient number, since it is larger than the sum of its proper divisors (410679141).

116222116531 is an equidigital number, since it uses as much as digits as its factorization.

116222116531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410679140.

The product of its digits is 4320, while the sum is 31.

The spelling of 116222116531 in words is "one hundred sixteen billion, two hundred twenty-two million, one hundred sixteen thousand, five hundred thirty-one".