100000202112121 has 16 divisors (see below), whose sum is σ = 101379809784384. Its totient is φ = 98632735029504.

The previous prime is 100000202112119. The next prime is 100000202112197. The reversal of 100000202112121 is 121211202000001.

It is a cyclic number.

It is not a de Polignac number, because 100000202112121 - 2¹ = 100000202112119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000202110121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7264005 + ... + 15898621.

It is an arithmetic number, because the mean of its divisors is an integer number (6336238111524).

Almost surely, 2^{100000202112121} is an apocalyptic number.

It is an amenable number.

100000202112121 is a deficient number, since it is larger than the sum of its proper divisors (1379607672263).

100000202112121 is a wasteful number, since it uses less digits than its factorization.

100000202112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635320.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100000202112121 its reverse (121211202000001), we get a palindrome (221211404112122).

The spelling of 100000202112121 in words is "one hundred trillion, two hundred two million, one hundred twelve thousand, one hundred twenty-one".