113111002212 has 96 divisors (see below), whose sum is σ = 292238897664. Its totient is φ = 33828710400.

The previous prime is 113111002187. The next prime is 113111002237. The reversal of 113111002212 is 212200111311.

It is an interprime number because it is at equal distance from previous prime (113111002187) and next prime (113111002237).

It is a junction number, because it is equal to n+sod(n) for n = 113111002191 and 113111002200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1700688 + ... + 1765944.

It is an arithmetic number, because the mean of its divisors is an integer number (3044155184).

Almost surely, 2^113111002212 is an apocalyptic number.

113111002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113111002212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146119448832).

113111002212 is an abundant number, since it is smaller than the sum of its proper divisors (179127895452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113111002212 is a wasteful number, since it uses less digits than its factorization.

113111002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65589 (or 65587 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 113111002212 its reverse (212200111311), we get a palindrome (325311113523).

The spelling of 113111002212 in words is "one hundred thirteen billion, one hundred eleven million, two thousand, two hundred twelve".