100121212110196 has 24 divisors (see below), whose sum is σ = 184437293264000. Its totient is φ = 47424942077184.

The previous prime is 100121212110193. The next prime is 100121212110223. The reversal of 100121212110196 is 691011212121001.

It is a super-2 number, since 2×100121212110196² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121212110193) 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, 8372556 + ... + 16442083.

Almost surely, 2^{100121212110196} is an apocalyptic number.

It is an amenable number.

100121212110196 is a deficient number, since it is larger than the sum of its proper divisors (84316081153804).

100121212110196 is a wasteful number, since it uses less digits than its factorization.

100121212110196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24867751 (or 24867749 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 28.

Adding to 100121212110196 its reverse (691011212121001), we get a palindrome (791132424231197).

The spelling of 100121212110196 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twelve million, one hundred ten thousand, one hundred ninety-six".