100000020102100 has 36 divisors (see below), whose sum is σ = 217116024810048. Its totient is φ = 39978629020000.

The previous prime is 100000020102071. The next prime is 100000020102113. The reversal of 100000020102100 is 1201020000001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267049726 + ... + 267423925.

It is an arithmetic number, because the mean of its divisors is an integer number (6031000689168).

Almost surely, 2^{100000020102100} is an apocalyptic number.

100000020102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000020102100 is an abundant number, since it is smaller than the sum of its proper divisors (117116004707948).

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

100000020102100 is a wasteful number, since it uses less digits than its factorization.

100000020102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534475536 (or 534475529 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100000020102100 its reverse (1201020000001), we get a palindrome (101201040102101).

The spelling of 100000020102100 in words is "one hundred trillion, twenty million, one hundred two thousand, one hundred".