100001002101100 has 144 divisors (see below), whose sum is σ = 242061484885920. Its totient is φ = 35636281344000.

The previous prime is 100001002101089. The next prime is 100001002101113. The reversal of 100001002101100 is 1101200100001.

It is a super-2 number, since 2×100001002101100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37503372 + ... + 40081228.

It is an arithmetic number, because the mean of its divisors is an integer number (1680982533930).

Almost surely, 2^{100001002101100} is an apocalyptic number.

100001002101100 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 100001002101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121030742442960).

100001002101100 is an abundant number, since it is smaller than the sum of its proper divisors (142060482784820).

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

100001002101100 is a wasteful number, since it uses less digits than its factorization.

100001002101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579108 (or 2579101 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100001002101100 its reverse (1101200100001), we get a palindrome (101102202201101).

The spelling of 100001002101100 in words is "one hundred trillion, one billion, two million, one hundred one thousand, one hundred".