100002111020121 has 8 divisors (see below), whose sum is σ = 140353840028320. Its totient is φ = 63159228012672.

The previous prime is 100002111020087. The next prime is 100002111020129. The reversal of 100002111020121 is 121020111200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100002111020121 - 2¹⁸ = 100002110757977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100002111020097 and 100002111020106.

It is not an unprimeable number, because it can be changed into a prime (100002111020129) 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, 877211500120 + ... + 877211500233.

It is an arithmetic number, because the mean of its divisors is an integer number (17544230003540).

Almost surely, 2^{100002111020121} is an apocalyptic number.

It is an amenable number.

100002111020121 is a deficient number, since it is larger than the sum of its proper divisors (40351729008199).

100002111020121 is a wasteful number, since it uses less digits than its factorization.

100002111020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754423000375.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100002111020121 its reverse (121020111200001), we get a palindrome (221022222220122).

The spelling of 100002111020121 in words is "one hundred trillion, two billion, one hundred eleven million, twenty thousand, one hundred twenty-one".