104521131222420 has 96 divisors (see below), whose sum is σ = 321176310368256. Its totient is φ = 25186728745600.

The previous prime is 104521131222373. The next prime is 104521131222449. The reversal of 104521131222420 is 24222131125401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474037536 + ... + 474257975.

It is an arithmetic number, because the mean of its divisors is an integer number (3345586566336).

Almost surely, 2^{104521131222420} is an apocalyptic number.

104521131222420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104521131222420 is an abundant number, since it is smaller than the sum of its proper divisors (216655179145836).

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

104521131222420 is a wasteful number, since it uses less digits than its factorization.

104521131222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948295701 (or 948295699 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 104521131222420 its reverse (24222131125401), we get a palindrome (128743262347821).

The spelling of 104521131222420 in words is "one hundred four trillion, five hundred twenty-one billion, one hundred thirty-one million, two hundred twenty-two thousand, four hundred twenty".