100121121002 has 16 divisors (see below), whose sum is σ = 181732455360. Its totient is φ = 40384989888.

The previous prime is 100121120993. The next prime is 100121121007. The reversal of 100121121002 is 200121121001.

100121121002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (100121121007) 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, 210338252 + ... + 210338727.

It is an arithmetic number, because the mean of its divisors is an integer number (11358278460).

Almost surely, 2^100121121002 is an apocalyptic number.

100121121002 is a deficient number, since it is larger than the sum of its proper divisors (81611334358).

100121121002 is a wasteful number, since it uses less digits than its factorization.

100121121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420677005.

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

Adding to 100121121002 its reverse (200121121001), we get a palindrome (300242242003).

Subtracting 100121121002 from its reverse (200121121001), we obtain a palindrome (99999999999).

The spelling of 100121121002 in words is "one hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, two".