111020202210020 has 24 divisors (see below), whose sum is σ = 233415745221624. Its totient is φ = 44356019821056.

The previous prime is 111020202209981. The next prime is 111020202210031. The reversal of 111020202210020 is 20012202020111.

It can be written as a sum of positive squares in 4 ways, for example, as 13039147672576 + 97981054537444 = 3610976^2 + 9898538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111020202209977 and 111020202210004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3253798949 + ... + 3253833068.

It is an arithmetic number, because the mean of its divisors is an integer number (9725656050901).

Almost surely, 2^{111020202210020} is an apocalyptic number.

111020202210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020202210020 is an abundant number, since it is smaller than the sum of its proper divisors (122395543011604).

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

111020202210020 is a wasteful number, since it uses less digits than its factorization.

111020202210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507632879 (or 6507632877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111020202210020 its reverse (20012202020111), we get a palindrome (131032404230131).

The spelling of 111020202210020 in words is "one hundred eleven trillion, twenty billion, two hundred two million, two hundred ten thousand, twenty".