111403233421400 has 24 divisors (see below), whose sum is σ = 259012517705220. Its totient is φ = 44561293368480.

The previous prime is 111403233421327. The next prime is 111403233421457. The reversal of 111403233421400 is 4124332304111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278508083354 + ... + 278508083753.

Almost surely, 2^{111403233421400} is an apocalyptic number.

111403233421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111403233421400 is an abundant number, since it is smaller than the sum of its proper divisors (147609284283820).

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

111403233421400 is a wasteful number, since it uses less digits than its factorization.

111403233421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557016167123 (or 557016167114 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 111403233421400 its reverse (4124332304111), we get a palindrome (115527565725511).

The spelling of 111403233421400 in words is "one hundred eleven trillion, four hundred three billion, two hundred thirty-three million, four hundred twenty-one thousand, four hundred".