111021342 has 16 divisors (see below), whose sum is σ = 225683472. Its totient is φ = 36400320.

The previous prime is 111021341. The next prime is 111021347. The reversal of 111021342 is 243120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151303 + ... + 152034.

It is an arithmetic number, because the mean of its divisors is an integer number (14105217).

Almost surely, 2^111021342 is an apocalyptic number.

111021342 is an abundant number, since it is smaller than the sum of its proper divisors (114662130).

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

111021342 is a wasteful number, since it uses less digits than its factorization.

111021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303403.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 111021342 is about 10536.6665506696. Note that the first 3 decimals coincide. The cubic root of 111021342 is about 480.6203524245.

Adding to 111021342 its reverse (243120111), we get a palindrome (354141453).

The spelling of 111021342 in words is "one hundred eleven million, twenty-one thousand, three hundred forty-two".