100520221552 has 40 divisors (see below), whose sum is σ = 201098573312. Its totient is φ = 48624753600.

The previous prime is 100520221547. The next prime is 100520221577. The reversal of 100520221552 is 255122025001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803283 + ... + 1858189.

Almost surely, 2^100520221552 is an apocalyptic number.

It is an amenable number.

100520221552 is an abundant number, since it is smaller than the sum of its proper divisors (100578351760).

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

100520221552 is a wasteful number, since it uses less digits than its factorization.

100520221552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58637 (or 58631 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 100520221552 its reverse (255122025001), we get a palindrome (355642246553).

The spelling of 100520221552 in words is "one hundred billion, five hundred twenty million, two hundred twenty-one thousand, five hundred fifty-two".