111414122042221 has 4 divisors (see below), whose sum is σ = 111414189041244. Its totient is φ = 111414055043200.

The previous prime is 111414122042191. The next prime is 111414122042231. The reversal of 111414122042221 is 122240221414111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73164671713225 + 38249450328996 = 8553635^2 + 6184614^2 .

It is a cyclic number.

It is not a de Polignac number, because 111414122042221 - 2²⁵ = 111414088487789 is a prime.

It is a super-2 number, since 2×111414122042221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111414122042221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111414122042231) 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, 30939940 + ... + 34352701.

It is an arithmetic number, because the mean of its divisors is an integer number (27853547260311).

Almost surely, 2^{111414122042221} is an apocalyptic number.

It is an amenable number.

111414122042221 is a deficient number, since it is larger than the sum of its proper divisors (66999023).

111414122042221 is an equidigital number, since it uses as much as digits as its factorization.

111414122042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66999022.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 111414122042221 its reverse (122240221414111), we get a palindrome (233654343456332).

The spelling of 111414122042221 in words is "one hundred eleven trillion, four hundred fourteen billion, one hundred twenty-two million, forty-two thousand, two hundred twenty-one".