1003211222020 has 24 divisors (see below), whose sum is σ = 2407706933184. Its totient is φ = 343958133216.

The previous prime is 1003211222009. The next prime is 1003211222023. The reversal of 1003211222020 is 202221123001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1003211221985 and 1003211222003.

It is not an unprimeable number, because it can be changed into a prime (1003211222023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3582897082 + ... + 3582897361.

It is an arithmetic number, because the mean of its divisors is an integer number (100321122216).

Almost surely, 2^{1003211222020} is an apocalyptic number.

1003211222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003211222020 is an abundant number, since it is smaller than the sum of its proper divisors (1404495711164).

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

1003211222020 is a wasteful number, since it uses less digits than its factorization.

1003211222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165794459 (or 7165794457 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1003211222020 its reverse (202221123001), we get a palindrome (1205432345021).

The spelling of 1003211222020 in words is "one trillion, three billion, two hundred eleven million, two hundred twenty-two thousand, twenty".