100121201102000 has 160 divisors (see below), whose sum is σ = 264387663356544. Its totient is φ = 36447153792000.

The previous prime is 100121201101973. The next prime is 100121201102009. The reversal of 100121201102000 is 201102121001.

It is not an unprimeable number, because it can be changed into a prime (100121201102009) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25272419 + ... + 28964418.

Almost surely, 2^{100121201102000} is an apocalyptic number.

100121201102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100121201102000 is an abundant number, since it is smaller than the sum of its proper divisors (164266462254544).

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

100121201102000 is a wasteful number, since it uses less digits than its factorization.

100121201102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54236944 (or 54236928 counting only the distinct ones).

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

Adding to 100121201102000 its reverse (201102121001), we get a palindrome (100322303223001).

The spelling of 100121201102000 in words is "one hundred trillion, one hundred twenty-one billion, two hundred one million, one hundred two thousand".