111123122313400 has 48 divisors (see below), whose sum is σ = 258833583690840. Its totient is φ = 44367988828800.

The previous prime is 111123122313337. The next prime is 111123122313433. The reversal of 111123122313400 is 4313221321111.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507765931 + ... + 507984730.

Almost surely, 2^{111123122313400} is an apocalyptic number.

111123122313400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111123122313400 is an abundant number, since it is smaller than the sum of its proper divisors (147710461377440).

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

111123122313400 is a wasteful number, since it uses less digits than its factorization.

111123122313400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015751224 (or 1015751215 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111123122313400 its reverse (4313221321111), we get a palindrome (115436343634511).

The spelling of 111123122313400 in words is "one hundred eleven trillion, one hundred twenty-three billion, one hundred twenty-two million, three hundred thirteen thousand, four hundred".