12121000202101 has 32 divisors (see below), whose sum is σ = 14493234733056. Its totient is φ = 9911365200000.

The previous prime is 12121000202093. The next prime is 12121000202131. The reversal of 12121000202101 is 10120200012121.

It is a cyclic number.

It is not a de Polignac number, because 12121000202101 - 2³ = 12121000202093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121000202131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91947406 + ... + 92079136.

It is an arithmetic number, because the mean of its divisors is an integer number (452913585408).

Almost surely, 2^{12121000202101} is an apocalyptic number.

It is an amenable number.

12121000202101 is a deficient number, since it is larger than the sum of its proper divisors (2372234530955).

12121000202101 is a wasteful number, since it uses less digits than its factorization.

12121000202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133273.

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

Adding to 12121000202101 its reverse (10120200012121), we get a palindrome (22241200214222).

The spelling of 12121000202101 in words is "twelve trillion, one hundred twenty-one billion, two hundred two thousand, one hundred one".