111411210420231 has 4 divisors (see below), whose sum is σ = 148548280560312. Its totient is φ = 74274140280152.

The previous prime is 111411210420229. The next prime is 111411210420241. The reversal of 111411210420231 is 132024012114111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111411210420231 - 2¹ = 111411210420229 is a prime.

It is a super-2 number, since 2×111411210420231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111411210420241) 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, 18568535070036 + ... + 18568535070041.

It is an arithmetic number, because the mean of its divisors is an integer number (37137070140078).

Almost surely, 2^{111411210420231} is an apocalyptic number.

111411210420231 is a deficient number, since it is larger than the sum of its proper divisors (37137070140081).

111411210420231 is an equidigital number, since it uses as much as digits as its factorization.

111411210420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37137070140080.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 111411210420231 its reverse (132024012114111), we get a palindrome (243435222534342).

The spelling of 111411210420231 in words is "one hundred eleven trillion, four hundred eleven billion, two hundred ten million, four hundred twenty thousand, two hundred thirty-one".