111312230340102 has 32 divisors (see below), whose sum is σ = 247445369683200. Its totient is φ = 33094545325920.

The previous prime is 111312230340097. The next prime is 111312230340109. The reversal of 111312230340102 is 201043032213111.

It is a super-4 number, since 4×111312230340102⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312230340109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15910835602 + ... + 15910842597.

It is an arithmetic number, because the mean of its divisors is an integer number (7732667802600).

Almost surely, 2^{111312230340102} is an apocalyptic number.

111312230340102 is an abundant number, since it is smaller than the sum of its proper divisors (136133139343098).

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

111312230340102 is a wasteful number, since it uses less digits than its factorization.

111312230340102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31821678268.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 111312230340102 its reverse (201043032213111), we get a palindrome (312355262553213).

The spelling of 111312230340102 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred thirty million, three hundred forty thousand, one hundred two".