240021112 has 8 divisors (see below), whose sum is σ = 450039600. Its totient is φ = 120010552.

The previous prime is 240021107. The next prime is 240021149. The reversal of 240021112 is 211120042.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×240021112² = 115220268411433088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240021092 and 240021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001312 + ... + 15001327.

It is an arithmetic number, because the mean of its divisors is an integer number (56254950).

Almost surely, 2^240021112 is an apocalyptic number.

It is an amenable number.

240021112 is a deficient number, since it is larger than the sum of its proper divisors (210018488).

240021112 is a wasteful number, since it uses less digits than its factorization.

240021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30002645 (or 30002641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 240021112 is about 15492.6147567155. The cubic root of 240021112 is about 621.4647228489.

Adding to 240021112 its reverse (211120042), we get a palindrome (451141154).

The spelling of 240021112 in words is "two hundred forty million, twenty-one thousand, one hundred twelve".