111421336 has 16 divisors (see below), whose sum is σ = 224985600. Its totient is φ = 51425184.

The previous prime is 111421267. The next prime is 111421351. The reversal of 111421336 is 633124111.

It is a congruent number.

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, 535576 + ... + 535783.

It is an arithmetic number, because the mean of its divisors is an integer number (14061600).

Almost surely, 2^111421336 is an apocalyptic number.

It is an amenable number.

111421336 is an abundant number, since it is smaller than the sum of its proper divisors (113564264).

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

111421336 is a wasteful number, since it uses less digits than its factorization.

111421336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071378 (or 1071374 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 111421336 is about 10555.6305354062. The cubic root of 111421336 is about 481.1968627225.

Adding to 111421336 its reverse (633124111), we get a palindrome (744545447).

The spelling of 111421336 in words is "one hundred eleven million, four hundred twenty-one thousand, three hundred thirty-six".