111210321340 has 12 divisors (see below), whose sum is σ = 233541674856. Its totient is φ = 44484128528.

The previous prime is 111210321337. The next prime is 111210321347. The reversal of 111210321340 is 43123012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210321347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780258014 + ... + 2780258053.

It is an arithmetic number, because the mean of its divisors is an integer number (19461806238).

Almost surely, 2^111210321340 is an apocalyptic number.

111210321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210321340 is an abundant number, since it is smaller than the sum of its proper divisors (122331353516).

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

111210321340 is a wasteful number, since it uses less digits than its factorization.

111210321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560516076 (or 5560516074 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111210321340 its reverse (43123012111), we get a palindrome (154333333451).

The spelling of 111210321340 in words is "one hundred eleven billion, two hundred ten million, three hundred twenty-one thousand, three hundred forty".