111321412 has 12 divisors (see below), whose sum is σ = 198488556. Its totient is φ = 54610400.

The previous prime is 111321407. The next prime is 111321421. The reversal of 111321412 is 214123111.

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 57972996 = 7304^2 + 7614^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262339 + ... + 262762.

It is an arithmetic number, because the mean of its divisors is an integer number (16540713).

Almost surely, 2^111321412 is an apocalyptic number.

It is an amenable number.

111321412 is a deficient number, since it is larger than the sum of its proper divisors (87167144).

111321412 is a wasteful number, since it uses less digits than its factorization.

111321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525158 (or 525156 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 111321412 is about 10550.8962652469. The cubic root of 111321412 is about 481.0529719799.

Adding to 111321412 its reverse (214123111), we get a palindrome (325444523).

It can be divided in two parts, 11132 and 1412, that added together give a square (12544 = 112²).

The spelling of 111321412 in words is "one hundred eleven million, three hundred twenty-one thousand, four hundred twelve".