221500106605230 has 32 divisors (see below), whose sum is σ = 531780032952864. Its totient is φ = 59046719861376.

The previous prime is 221500106605207. The next prime is 221500106605249. The reversal of 221500106605230 is 32506601005122.

It is a super-2 number, since 2×221500106605230² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221500106605191 and 221500106605200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248361897 + ... + 1248539316.

It is an arithmetic number, because the mean of its divisors is an integer number (16618126029777).

Almost surely, 2^{221500106605230} is an apocalyptic number.

221500106605230 is an abundant number, since it is smaller than the sum of its proper divisors (310279926347634).

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

221500106605230 is a wasteful number, since it uses less digits than its factorization.

221500106605230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496904180.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 221500106605230 in words is "two hundred twenty-one trillion, five hundred billion, one hundred six million, six hundred five thousand, two hundred thirty".