221332105122 has 32 divisors (see below), whose sum is σ = 452386259712. Its totient is φ = 72159135744.

The previous prime is 221332105121. The next prime is 221332105123. The reversal of 221332105122 is 221501233122.

It is an interprime number because it is at equal distance from previous prime (221332105121) and next prime (221332105123).

It is a junction number, because it is equal to n+sod(n) for n = 221332105092 and 221332105101.

It is not an unprimeable number, because it can be changed into a prime (221332105121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158178 + ... + 683874.

It is an arithmetic number, because the mean of its divisors is an integer number (14137070616).

Almost surely, 2^221332105122 is an apocalyptic number.

221332105122 is an abundant number, since it is smaller than the sum of its proper divisors (231054154590).

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

221332105122 is a wasteful number, since it uses less digits than its factorization.

221332105122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527242.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 221332105122 its reverse (221501233122), we get a palindrome (442833338244).

The spelling of 221332105122 in words is "two hundred twenty-one billion, three hundred thirty-two million, one hundred five thousand, one hundred twenty-two".