100111201210 has 32 divisors (see below), whose sum is σ = 194095661760. Its totient is φ = 37054620288.

The previous prime is 100111201193. The next prime is 100111201219. The reversal of 100111201210 is 12102111001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100111201219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6118587 + ... + 6134926.

It is an arithmetic number, because the mean of its divisors is an integer number (6065489430).

Almost surely, 2^100111201210 is an apocalyptic number.

100111201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111201210 is a deficient number, since it is larger than the sum of its proper divisors (93984460550).

100111201210 is a wasteful number, since it uses less digits than its factorization.

100111201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253582.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100111201210 its reverse (12102111001), we get a palindrome (112213312211).

The spelling of 100111201210 in words is "one hundred billion, one hundred eleven million, two hundred one thousand, two hundred ten".