1222002201020 has 12 divisors (see below), whose sum is σ = 2566204622184. Its totient is φ = 488800880400.

The previous prime is 1222002201019. The next prime is 1222002201029. The reversal of 1222002201020 is 201022002221.

It is a junction number, because it is equal to n+sod(n) for n = 1222002200986 and 1222002201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222002201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30550055006 + ... + 30550055045.

It is an arithmetic number, because the mean of its divisors is an integer number (213850385182).

Almost surely, 2^{1222002201020} is an apocalyptic number.

1222002201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222002201020 is an abundant number, since it is smaller than the sum of its proper divisors (1344202421164).

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

1222002201020 is a wasteful number, since it uses less digits than its factorization.

1222002201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61100110060 (or 61100110058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1222002201020 its reverse (201022002221), we get a palindrome (1423024203241).

The spelling of 1222002201020 in words is "one trillion, two hundred twenty-two billion, two million, two hundred one thousand, twenty".