111202022212020 has 48 divisors (see below), whose sum is σ = 345961846883520. Its totient is φ = 29653872589728.

The previous prime is 111202022211979. The next prime is 111202022212033. The reversal of 111202022212020 is 20212220202111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111202022211984 and 111202022212002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102964834842 + ... + 102964835921.

It is an arithmetic number, because the mean of its divisors is an integer number (7207538476740).

Almost surely, 2^{111202022212020} is an apocalyptic number.

111202022212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202022212020 is an abundant number, since it is smaller than the sum of its proper divisors (234759824671500).

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

111202022212020 is a wasteful number, since it uses less digits than its factorization.

111202022212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205929670781 (or 205929670773 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111202022212020 its reverse (20212220202111), we get a palindrome (131414242414131).

The spelling of 111202022212020 in words is "one hundred eleven trillion, two hundred two billion, twenty-two million, two hundred twelve thousand, twenty".