100331320221222 has 16 divisors (see below), whose sum is σ = 200663167182192. Its totient is φ = 33443685617120.

The previous prime is 100331320221221. The next prime is 100331320221233. The reversal of 100331320221222 is 222122023133001.

It is a junction number, because it is equal to n+sod(n) for n = 100331320221192 and 100331320221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100331320221221) 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, 19449429 + ... + 24061232.

It is an arithmetic number, because the mean of its divisors is an integer number (12541447948887).

Almost surely, 2^{100331320221222} is an apocalyptic number.

100331320221222 is an abundant number, since it is smaller than the sum of its proper divisors (100331846960970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100331320221222 is a wasteful number, since it uses less digits than its factorization.

100331320221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43894983.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 100331320221222 its reverse (222122023133001), we get a palindrome (322453343354223).

The spelling of 100331320221222 in words is "one hundred trillion, three hundred thirty-one billion, three hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".