111022340 has 72 divisors (see below), whose sum is σ = 276060120. Its totient is φ = 37255680.

The previous prime is 111022337. The next prime is 111022343. The reversal of 111022340 is 43220111.

It is an interprime number because it is at equal distance from previous prime (111022337) and next prime (111022343).

It can be written as a sum of positive squares in 4 ways, for example, as 1359556 + 109662784 = 1166^2 + 10472^2 .

It is not an unprimeable number, because it can be changed into a prime (111022343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29696 + ... + 33224.

Almost surely, 2^111022340 is an apocalyptic number.

111022340 is a gapful number since it is divisible by the number (10) 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 111022340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138030060).

111022340 is an abundant number, since it is smaller than the sum of its proper divisors (165037780).

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

111022340 is a wasteful number, since it uses less digits than its factorization.

111022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111022340 is about 10536.7139089946. The cubic root of 111022340 is about 480.6217925610.

Adding to 111022340 its reverse (43220111), we get a palindrome (154242451).

The spelling of 111022340 in words is "one hundred eleven million, twenty-two thousand, three hundred forty".