121002111202102 has 16 divisors (see below), whose sum is σ = 195465639952800. Its totient is φ = 55846930793472.

The previous prime is 121002111202079. The next prime is 121002111202123. The reversal of 121002111202102 is 201202111200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598602 + ... + 15567997.

It is an arithmetic number, because the mean of its divisors is an integer number (12216602497050).

Almost surely, 2^{121002111202102} is an apocalyptic number.

121002111202102 is a deficient number, since it is larger than the sum of its proper divisors (74463528750698).

121002111202102 is a wasteful number, since it uses less digits than its factorization.

121002111202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454487.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121002111202102 its reverse (201202111200121), we get a palindrome (322204222402223).

The spelling of 121002111202102 in words is "one hundred twenty-one trillion, two billion, one hundred eleven million, two hundred two thousand, one hundred two".