220221210212102 has 64 divisors (see below), whose sum is σ = 397767809230848. Its totient is φ = 90270471360000.

The previous prime is 220221210212039. The next prime is 220221210212233. The reversal of 220221210212102 is 201212012122022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92860748 + ... + 95202735.

It is an arithmetic number, because the mean of its divisors is an integer number (6215122019232).

Almost surely, 2^{220221210212102} is an apocalyptic number.

220221210212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220221210212102 is a deficient number, since it is larger than the sum of its proper divisors (177546599018746).

220221210212102 is a wasteful number, since it uses less digits than its factorization.

220221210212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188063645.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220221210212102 its reverse (201212012122022), we get a palindrome (421433222334124).

The spelling of 220221210212102 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred two".