100000211312100 has 288 divisors, whose sum is σ = 337512883542912. Its totient is φ = 22590540800000.

The previous prime is 100000211312087. The next prime is 100000211312101. The reversal of 100000211312100 is 1213112000001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100000211312101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3158331 + ... + 14490530.

It is an arithmetic number, because the mean of its divisors is an integer number (1171919734524).

Almost surely, 2^{100000211312100} is an apocalyptic number.

100000211312100 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 100000211312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168756441771456).

100000211312100 is an abundant number, since it is smaller than the sum of its proper divisors (237512672230812).

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

100000211312100 is a wasteful number, since it uses less digits than its factorization.

100000211312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17649007 (or 17649000 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100000211312100 its reverse (1213112000001), we get a palindrome (101213323312101).

The spelling of 100000211312100 in words is "one hundred trillion, two hundred eleven million, three hundred twelve thousand, one hundred".