100220220122222 has 4 divisors (see below), whose sum is σ = 150330330183336. Its totient is φ = 50110110061110.

The previous prime is 100220220122207. The next prime is 100220220122227. The reversal of 100220220122222 is 222221022022001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 100220220122194 and 100220220122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220220122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055055030554 + ... + 25055055030557.

It is an arithmetic number, because the mean of its divisors is an integer number (37582582545834).

Almost surely, 2^{100220220122222} is an apocalyptic number.

100220220122222 is a deficient number, since it is larger than the sum of its proper divisors (50110110061114).

100220220122222 is an equidigital number, since it uses as much as digits as its factorization.

100220220122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50110110061113.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100220220122222 its reverse (222221022022001), we get a palindrome (322441242144223).

The spelling of 100220220122222 in words is "one hundred trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".