111340343220 has 72 divisors (see below), whose sum is σ = 322873902624. Its totient is φ = 28666925952.

The previous prime is 111340343171. The next prime is 111340343221. The reversal of 111340343220 is 22343043111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111340343221) 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, 1052794 + ... + 1153713.

Almost surely, 2^111340343220 is an apocalyptic number.

111340343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111340343220 is an abundant number, since it is smaller than the sum of its proper divisors (211533559404).

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

111340343220 is a wasteful number, since it uses less digits than its factorization.

111340343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206577 (or 2206546 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 111340343220 its reverse (22343043111), we get a palindrome (133683386331).

The spelling of 111340343220 in words is "one hundred eleven billion, three hundred forty million, three hundred forty-three thousand, two hundred twenty".