100000061100 has 108 divisors (see below), whose sum is σ = 315700028280. Its totient is φ = 26474803200.

The previous prime is 100000061081. The next prime is 100000061107. The reversal of 100000061100 is 1160000001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100000061107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 274581 + ... + 524780.

It is an arithmetic number, because the mean of its divisors is an integer number (2923148410).

Almost surely, 2^100000061100 is an apocalyptic number.

100000061100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000061100 is an abundant number, since it is smaller than the sum of its proper divisors (215699967180).

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

100000061100 is a wasteful number, since it uses less digits than its factorization.

100000061100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799520 (or 799510 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 100000061100 its reverse (1160000001), we get a palindrome (101160061101).

The spelling of 100000061100 in words is "one hundred billion, sixty-one thousand, one hundred".