10001222200420 has 48 divisors (see below), whose sum is σ = 24259649154048. Its totient is φ = 3422878184960.

The previous prime is 10001222200397. The next prime is 10001222200427. The reversal of 10001222200420 is 2400222210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001222200394 and 10001222200403.

It is not an unprimeable number, because it can be changed into a prime (10001222200427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337058052 + ... + 1337065531.

It is an arithmetic number, because the mean of its divisors is an integer number (505409357376).

Almost surely, 2^{10001222200420} is an apocalyptic number.

10001222200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001222200420 is an abundant number, since it is smaller than the sum of its proper divisors (14258426953628).

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

10001222200420 is a wasteful number, since it uses less digits than its factorization.

10001222200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674123620 (or 2674123618 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10001222200420 its reverse (2400222210001), we get a palindrome (12401444410421).

The spelling of 10001222200420 in words is "ten trillion, one billion, two hundred twenty-two million, two hundred thousand, four hundred twenty".