220122221210 has 16 divisors (see below), whose sum is σ = 396239716296. Its totient is φ = 88044506688.

The previous prime is 220122221191. The next prime is 220122221243. The reversal of 220122221210 is 12122221022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136964387569 + 83157833641 = 370087^2 + 288371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332717 + ... + 742256.

Almost surely, 2^220122221210 is an apocalyptic number.

220122221210 is a deficient number, since it is larger than the sum of its proper divisors (176117495086).

220122221210 is a wasteful number, since it uses less digits than its factorization.

220122221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095457.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220122221210 its reverse (12122221022), we get a palindrome (232244442232).

The spelling of 220122221210 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".