100001222032 has 40 divisors (see below), whose sum is σ = 200358247680. Its totient is φ = 48301607040.

The previous prime is 100001222023. The next prime is 100001222033. The reversal of 100001222032 is 230222100001.

It is not an unprimeable number, because it can be changed into a prime (100001222033) 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, 100194 + ... + 458302.

It is an arithmetic number, because the mean of its divisors is an integer number (5008956192).

Almost surely, 2^100001222032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100001222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100179123840).

100001222032 is an abundant number, since it is smaller than the sum of its proper divisors (100357025648).

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

100001222032 is a wasteful number, since it uses less digits than its factorization.

100001222032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358711 (or 358705 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100001222032 its reverse (230222100001), we get a palindrome (330223322033).

The spelling of 100001222032 in words is "one hundred billion, one million, two hundred twenty-two thousand, thirty-two".