100011221210 has 16 divisors (see below), whose sum is σ = 180071534592. Its totient is φ = 39993080400.

The previous prime is 100011221201. The next prime is 100011221213. The reversal of 100011221210 is 12122110001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100011221191 and 100011221200.

It is not an unprimeable number, because it can be changed into a prime (100011221213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389146 + ... + 1459365.

It is an arithmetic number, because the mean of its divisors is an integer number (11254470912).

Almost surely, 2^100011221210 is an apocalyptic number.

100011221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100011221210 is a deficient number, since it is larger than the sum of its proper divisors (80060313382).

100011221210 is a wasteful number, since it uses less digits than its factorization.

100011221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852029.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100011221210 its reverse (12122110001), we get a palindrome (112133331211).

The spelling of 100011221210 in words is "one hundred billion, eleven million, two hundred twenty-one thousand, two hundred ten".