121201122202102 has 8 divisors (see below), whose sum is σ = 181803099181536. Its totient is φ = 60600089141592.

The previous prime is 121201122202099. The next prime is 121201122202117. The reversal of 121201122202102 is 201202221102121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121201122202102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235658638 + ... + 236172385.

It is an arithmetic number, because the mean of its divisors is an integer number (22725387397692).

Almost surely, 2^{121201122202102} is an apocalyptic number.

121201122202102 is a deficient number, since it is larger than the sum of its proper divisors (60601976979434).

121201122202102 is a wasteful number, since it uses less digits than its factorization.

121201122202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471959462.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121201122202102 its reverse (201202221102121), we get a palindrome (322403343304223).

The spelling of 121201122202102 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty-two million, two hundred two thousand, one hundred two".