111020000240 has 40 divisors (see below), whose sum is σ = 260627553888. Its totient is φ = 43976851200.

The previous prime is 111020000209. The next prime is 111020000249. The reversal of 111020000240 is 42000020111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020000249) 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, 6728411 + ... + 6744890.

Almost surely, 2^111020000240 is an apocalyptic number.

111020000240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020000240 is an abundant number, since it is smaller than the sum of its proper divisors (149607553648).

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

111020000240 is a wasteful number, since it uses less digits than its factorization.

111020000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13473417 (or 13473411 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 111020000240 its reverse (42000020111), we get a palindrome (153020020351).

The spelling of 111020000240 in words is "one hundred eleven billion, twenty million, two hundred forty", and thus it is an aban number.