100223203231222 has 16 divisors (see below), whose sum is σ = 150433457771520. Its totient is φ = 50078719871208.

The previous prime is 100223203231171. The next prime is 100223203231223. The reversal of 100223203231222 is 222132302322001.

It is a super-2 number, since 2×100223203231222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100223203231223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79182979 + ... + 80438737.

It is an arithmetic number, because the mean of its divisors is an integer number (9402091110720).

Almost surely, 2^{100223203231222} is an apocalyptic number.

100223203231222 is a deficient number, since it is larger than the sum of its proper divisors (50210254540298).

100223203231222 is a wasteful number, since it uses less digits than its factorization.

100223203231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281915.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 100223203231222 its reverse (222132302322001), we get a palindrome (322355505553223).

The spelling of 100223203231222 in words is "one hundred trillion, two hundred twenty-three billion, two hundred three million, two hundred thirty-one thousand, two hundred twenty-two".