1222221100010 has 32 divisors (see below), whose sum is σ = 2224199433600. Its totient is φ = 483520881600.

The previous prime is 1222221099997. The next prime is 1222221100013. The reversal of 1222221100010 is 100011222221.

It is not an unprimeable number, because it can be changed into a prime (1222221100013) 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, 269801 + ... + 1586579.

It is an arithmetic number, because the mean of its divisors is an integer number (69506232300).

Almost surely, 2^{1222221100010} is an apocalyptic number.

1222221100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222221100010 is a deficient number, since it is larger than the sum of its proper divisors (1001978333590).

1222221100010 is a wasteful number, since it uses less digits than its factorization.

1222221100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317806.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222221100010 its reverse (100011222221), we get a palindrome (1322232322231).

It can be divided in two parts, 1222221 and 100010, that added together give a palindrome (1322231).

The spelling of 1222221100010 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred thousand, ten".