121201020002102 has 8 divisors (see below), whose sum is σ = 182386100840112. Its totient is φ = 60405653055400.

The previous prime is 121201020002099. The next prime is 121201020002129. The reversal of 121201020002102 is 201200020102121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97428472049 + ... + 97428473292.

It is an arithmetic number, because the mean of its divisors is an integer number (22798262605014).

Almost surely, 2^{121201020002102} is an apocalyptic number.

121201020002102 is a deficient number, since it is larger than the sum of its proper divisors (61185080838010).

121201020002102 is a wasteful number, since it uses less digits than its factorization.

121201020002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194856945654.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121201020002102 its reverse (201200020102121), we get a palindrome (322401040104223).

The spelling of 121201020002102 in words is "one hundred twenty-one trillion, two hundred one billion, twenty million, two thousand, one hundred two".