221321102103130 has 16 divisors (see below), whose sum is σ = 404323923843360. Its totient is φ = 87207120828432.

The previous prime is 221321102103107. The next prime is 221321102103131. The reversal of 221321102103130 is 31301201123122.

It is a super-2 number, since 2×221321102103130² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221321102103131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165165000900 + ... + 165165002239.

It is an arithmetic number, because the mean of its divisors is an integer number (25270245240210).

Almost surely, 2^{221321102103130} is an apocalyptic number.

221321102103130 is a deficient number, since it is larger than the sum of its proper divisors (183002821740230).

221321102103130 is a wasteful number, since it uses less digits than its factorization.

221321102103130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330330003213.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221321102103130 its reverse (31301201123122), we get a palindrome (252622303226252).

The spelling of 221321102103130 in words is "two hundred twenty-one trillion, three hundred twenty-one billion, one hundred two million, one hundred three thousand, one hundred thirty".