103520421052 has 6 divisors (see below), whose sum is σ = 181160736848. Its totient is φ = 51760210524.

The previous prime is 103520421031. The next prime is 103520421077. The reversal of 103520421052 is 250124025301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12940052628 + ... + 12940052635.

Almost surely, 2^103520421052 is an apocalyptic number.

It is an amenable number.

103520421052 is a deficient number, since it is larger than the sum of its proper divisors (77640315796).

103520421052 is a wasteful number, since it uses less digits than its factorization.

103520421052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25880105267 (or 25880105265 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 103520421052 its reverse (250124025301), we get a palindrome (353644446353).

The spelling of 103520421052 in words is "one hundred three billion, five hundred twenty million, four hundred twenty-one thousand, fifty-two".