121000102002102 has 256 divisors, whose sum is σ = 264242814713856. Its totient is φ = 36865765440000.

The previous prime is 121000102002067. The next prime is 121000102002103. The reversal of 121000102002102 is 201200201000121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000102002103) 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 127 ways as a sum of consecutive naturals, for example, 6136831548 + ... + 6136851264.

It is an arithmetic number, because the mean of its divisors is an integer number (1032198494976).

Almost surely, 2^{121000102002102} is an apocalyptic number.

121000102002102 is an abundant number, since it is smaller than the sum of its proper divisors (143242712711754).

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

121000102002102 is a wasteful number, since it uses less digits than its factorization.

121000102002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20075.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121000102002102 its reverse (201200201000121), we get a palindrome (322200303002223).

The spelling of 121000102002102 in words is "one hundred twenty-one trillion, one hundred two million, two thousand, one hundred two".