111122201001020 has 48 divisors (see below), whose sum is σ = 254949123608928. Its totient is φ = 40348031324160.

The previous prime is 111122201001013. The next prime is 111122201001131. The reversal of 111122201001020 is 20100102221111.

It is a super-2 number, since 2×111122201001020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111122201000986 and 111122201001004.

It is a congruent number.

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, 375112649 + ... + 375408768.

It is an arithmetic number, because the mean of its divisors is an integer number (5311440075186).

Almost surely, 2^{111122201001020} is an apocalyptic number.

111122201001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122201001020 is an abundant number, since it is smaller than the sum of its proper divisors (143826922607908).

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

111122201001020 is a wasteful number, since it uses less digits than its factorization.

111122201001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750522110 (or 750522108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111122201001020 its reverse (20100102221111), we get a palindrome (131222303222131).

The spelling of 111122201001020 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred one million, one thousand, twenty".