111202220102020 has 48 divisors (see below), whose sum is σ = 235175806446336. Its totient is φ = 44167362624000.

The previous prime is 111202220101949. The next prime is 111202220102101. The reversal of 111202220102020 is 20201022202111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111202220101985 and 111202220102003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28751061 + ... + 32388700.

It is an arithmetic number, because the mean of its divisors is an integer number (4899495967632).

Almost surely, 2^{111202220102020} is an apocalyptic number.

111202220102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202220102020 is an abundant number, since it is smaller than the sum of its proper divisors (123973586344316).

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

111202220102020 is a wasteful number, since it uses less digits than its factorization.

111202220102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61140412 (or 61140410 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111202220102020 its reverse (20201022202111), we get a palindrome (131403242304131).

The spelling of 111202220102020 in words is "one hundred eleven trillion, two hundred two billion, two hundred twenty million, one hundred two thousand, twenty".