111211332112 has 40 divisors (see below), whose sum is σ = 219114111960. Its totient is φ = 54666670080.

The previous prime is 111211332103. The next prime is 111211332121. The reversal of 111211332112 is 211233112111.

It is an interprime number because it is at equal distance from previous prime (111211332103) and next prime (111211332121).

It can be written as a sum of positive squares in 4 ways, for example, as 3354263056 + 107857069056 = 57916^2 + 328416^2 .

It is a super-3 number, since 3×111211332112³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111211332112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991808 + ... + 2046880.

It is an arithmetic number, because the mean of its divisors is an integer number (5477852799).

Almost surely, 2^111211332112 is an apocalyptic number.

It is an amenable number.

111211332112 is a deficient number, since it is larger than the sum of its proper divisors (107902779848).

111211332112 is a wasteful number, since it uses less digits than its factorization.

111211332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57211 (or 57205 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 111211332112 its reverse (211233112111), we get a palindrome (322444444223).

The spelling of 111211332112 in words is "one hundred eleven billion, two hundred eleven million, three hundred thirty-two thousand, one hundred twelve".