221202212102122 has 32 divisors (see below), whose sum is σ = 339476813959680. Its totient is φ = 108051820394880.

The previous prime is 221202212102117. The next prime is 221202212102143. The reversal of 221202212102122 is 221201212202122.

It is a junction number, because it is equal to n+sod(n) for n = 221202212102093 and 221202212102102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091387472 + ... + 1091590132.

It is an arithmetic number, because the mean of its divisors is an integer number (10608650436240).

Almost surely, 2^{221202212102122} is an apocalyptic number.

221202212102122 is a deficient number, since it is larger than the sum of its proper divisors (118274601857558).

221202212102122 is a wasteful number, since it uses less digits than its factorization.

221202212102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223686.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221202212102122 its reverse (221201212202122), we get a palindrome (442403424304244).

The spelling of 221202212102122 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred twelve million, one hundred two thousand, one hundred twenty-two".