104221900780 has 48 divisors (see below), whose sum is σ = 224740020960. Its totient is φ = 40574758400.

The previous prime is 104221900771. The next prime is 104221900787. The reversal of 104221900780 is 87009122401.

It is not an unprimeable number, because it can be changed into a prime (104221900787) 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, 191910 + ... + 495250.

It is an arithmetic number, because the mean of its divisors is an integer number (4682083770).

Almost surely, 2^104221900780 is an apocalyptic number.

104221900780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104221900780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112370010480).

104221900780 is an abundant number, since it is smaller than the sum of its proper divisors (120518120180).

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

104221900780 is a wasteful number, since it uses less digits than its factorization.

104221900780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303810 (or 303808 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

It can be divided in two parts, 104221 and 900780, that added together give a palindrome (1005001).

The spelling of 104221900780 in words is "one hundred four billion, two hundred twenty-one million, nine hundred thousand, seven hundred eighty".