100001220200000 has 168 divisors, whose sum is σ = 283467462796224. Its totient is φ = 34286132160000.

The previous prime is 100001220199981. The next prime is 100001220200017. The reversal of 100001220200000 is 2022100001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34314722 + ... + 37114721.

It is an arithmetic number, because the mean of its divisors is an integer number (1687306326168).

Almost surely, 2^{100001220200000} is an apocalyptic number.

100001220200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001220200000 is an abundant number, since it is smaller than the sum of its proper divisors (183466242596224).

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

100001220200000 is an frugal number, since it uses more digits than its factorization.

100001220200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71429487 (or 71429457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 100001220200000 its reverse (2022100001), we get a palindrome (100003242300001).

The spelling of 100001220200000 in words is "one hundred trillion, one billion, two hundred twenty million, two hundred thousand".