100001222140 has 48 divisors (see below), whose sum is σ = 211244080320. Its totient is φ = 39764183040.

The previous prime is 100001222039. The next prime is 100001222141. The reversal of 100001222140 is 41222100001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100001222140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001222141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16355724 + ... + 16361836.

It is an arithmetic number, because the mean of its divisors is an integer number (4400918340).

Almost surely, 2^100001222140 is an apocalyptic number.

100001222140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001222140 is an abundant number, since it is smaller than the sum of its proper divisors (111242858180).

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

100001222140 is a wasteful number, since it uses less digits than its factorization.

100001222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10822 (or 10820 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100001222140 its reverse (41222100001), we get a palindrome (141223322141).

The spelling of 100001222140 in words is "one hundred billion, one million, two hundred twenty-two thousand, one hundred forty".