100121100202112 has 128 divisors (see below), whose sum is σ = 225007195636800. Its totient is φ = 43984485642240.

The previous prime is 100121100202063. The next prime is 100121100202133. The reversal of 100121100202112 is 211202001121001.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5012687 + ... + 15012302.

Almost surely, 2^{100121100202112} is an apocalyptic number.

It is an amenable number.

100121100202112 is an abundant number, since it is smaller than the sum of its proper divisors (124886095434688).

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

100121100202112 is a wasteful number, since it uses less digits than its factorization.

100121100202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025134 (or 20025122 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100121100202112 its reverse (211202001121001), we get a palindrome (311323101323113).

The spelling of 100121100202112 in words is "one hundred trillion, one hundred twenty-one billion, one hundred million, two hundred two thousand, one hundred twelve".