221211234422130 has 16 divisors (see below), whose sum is σ = 530906962613184. Its totient is φ = 58989662512560.

The previous prime is 221211234422119. The next prime is 221211234422147. The reversal of 221211234422130 is 31224432112122.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7373707814071 = 221211234422130 / (2 + 2 + 1 + 2 + 1 + 1 + 2 + 3 + 4 + 4 + 2 + 2 + 1 + 3 + 0).

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 7 ways as a sum of consecutive naturals, for example, 3686853907006 + ... + 3686853907065.

It is an arithmetic number, because the mean of its divisors is an integer number (33181685163324).

Almost surely, 2^{221211234422130} is an apocalyptic number.

221211234422130 is an abundant number, since it is smaller than the sum of its proper divisors (309695728191054).

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

221211234422130 is a wasteful number, since it uses less digits than its factorization.

221211234422130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373707814081.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 221211234422130 its reverse (31224432112122), we get a palindrome (252435666534252).

The spelling of 221211234422130 in words is "two hundred twenty-one trillion, two hundred eleven billion, two hundred thirty-four million, four hundred twenty-two thousand, one hundred thirty".