111411032020 has 12 divisors (see below), whose sum is σ = 233963167284. Its totient is φ = 44564412800.

The previous prime is 111411032011. The next prime is 111411032039. The reversal of 111411032020 is 20230114111.

It can be written as a sum of positive squares in 2 ways, for example, as 31759516944 + 79651515076 = 178212^2 + 282226^2 .

It is a super-2 number, since 2×111411032020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111411031985 and 111411032003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785275781 + ... + 2785275820.

It is an arithmetic number, because the mean of its divisors is an integer number (19496930607).

Almost surely, 2^111411032020 is an apocalyptic number.

111411032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111411032020 is an abundant number, since it is smaller than the sum of its proper divisors (122552135264).

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

111411032020 is a wasteful number, since it uses less digits than its factorization.

111411032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570551610 (or 5570551608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111411032020 its reverse (20230114111), we get a palindrome (131641146131).

The spelling of 111411032020 in words is "one hundred eleven billion, four hundred eleven million, thirty-two thousand, twenty".