1122201120020 has 12 divisors (see below), whose sum is σ = 2356622352084. Its totient is φ = 448880448000.

The previous prime is 1122201119969. The next prime is 1122201120031. The reversal of 1122201120020 is 200211022211.

It can be written as a sum of positive squares in 2 ways, for example, as 784832984464 + 337368135556 = 885908^2 + 580834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122201119977 and 1122201120004.

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, 28055027981 + ... + 28055028020.

It is an arithmetic number, because the mean of its divisors is an integer number (196385196007).

Almost surely, 2^{1122201120020} is an apocalyptic number.

1122201120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122201120020 is an abundant number, since it is smaller than the sum of its proper divisors (1234421232064).

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

1122201120020 is a wasteful number, since it uses less digits than its factorization.

1122201120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56110056010 (or 56110056008 counting only the distinct ones).

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

Adding to 1122201120020 its reverse (200211022211), we get a palindrome (1322412142231).

The spelling of 1122201120020 in words is "one trillion, one hundred twenty-two billion, two hundred one million, one hundred twenty thousand, twenty".