100202111211100 has 216 divisors, whose sum is σ = 237731546457216. Its totient is φ = 36615559680000.

The previous prime is 100202111211077. The next prime is 100202111211173. The reversal of 100202111211100 is 1112111202001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 314307780 + ... + 314626420.

It is an arithmetic number, because the mean of its divisors is an integer number (1100609011376).

Almost surely, 2^{100202111211100} is an apocalyptic number.

100202111211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100202111211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118865773228608).

100202111211100 is an abundant number, since it is smaller than the sum of its proper divisors (137529435246116).

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

100202111211100 is a wasteful number, since it uses less digits than its factorization.

100202111211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319005 (or 318979 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100202111211100 its reverse (1112111202001), we get a palindrome (101314222413101).

Subtracting from 100202111211100 its reverse (1112111202001), we obtain a palindrome (99090000009099).

The spelling of 100202111211100 in words is "one hundred trillion, two hundred two billion, one hundred eleven million, two hundred eleven thousand, one hundred".