102000202121 has 16 divisors (see below), whose sum is σ = 108604953600. Its totient is φ = 95642164800.

The previous prime is 102000202097. The next prime is 102000202123. The reversal of 102000202121 is 121202000201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102000202121 - 2¹⁴ = 102000185737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102000202123) 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 15 ways as a sum of consecutive naturals, for example, 225185 + ... + 504686.

It is an arithmetic number, because the mean of its divisors is an integer number (6787809600).

Almost surely, 2^102000202121 is an apocalyptic number.

It is an amenable number.

102000202121 is a deficient number, since it is larger than the sum of its proper divisors (6604751479).

102000202121 is an equidigital number, since it uses as much as digits as its factorization.

102000202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730040.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102000202121 its reverse (121202000201), we get a palindrome (223202202322).

The spelling of 102000202121 in words is "one hundred two billion, two hundred two thousand, one hundred twenty-one".