111412220403 has 16 divisors (see below), whose sum is σ = 162085124736. Its totient is φ = 67509647040.

The previous prime is 111412220401. The next prime is 111412220407. The reversal of 111412220403 is 304022214111.

It is not a de Polignac number, because 111412220403 - 2¹ = 111412220401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111412220403.

It is not an unprimeable number, because it can be changed into a prime (111412220401) 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, 146125 + ... + 494142.

It is an arithmetic number, because the mean of its divisors is an integer number (10130320296).

Almost surely, 2^111412220403 is an apocalyptic number.

111412220403 is a deficient number, since it is larger than the sum of its proper divisors (50672904333).

111412220403 is a wasteful number, since it uses less digits than its factorization.

111412220403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645554.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 111412220403 its reverse (304022214111), we get a palindrome (415434434514).

The spelling of 111412220403 in words is "one hundred eleven billion, four hundred twelve million, two hundred twenty thousand, four hundred three".