100101221222004 has 24 divisors (see below), whose sum is σ = 259521684649920. Its totient is φ = 33367073740632.

The previous prime is 100101221221999. The next prime is 100101221222021. The reversal of 100101221222004 is 400222122101001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463431579624 + ... + 463431579839.

It is an arithmetic number, because the mean of its divisors is an integer number (10813403527080).

Almost surely, 2^{100101221222004} is an apocalyptic number.

It is an amenable number.

100101221222004 is an abundant number, since it is smaller than the sum of its proper divisors (159420463427916).

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

100101221222004 is a wasteful number, since it uses less digits than its factorization.

100101221222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926863159476 (or 926863159468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100101221222004 its reverse (400222122101001), we get a palindrome (500323343323005).

The spelling of 100101221222004 in words is "one hundred trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, four".