121003312102 has 16 divisors (see below), whose sum is σ = 186055974720. Its totient is φ = 58989653352.

The previous prime is 121003312069. The next prime is 121003312117. The reversal of 121003312102 is 201213300121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201152 + ... + 1297987.

It is an arithmetic number, because the mean of its divisors is an integer number (11628498420).

Almost surely, 2^121003312102 is an apocalyptic number.

121003312102 is a deficient number, since it is larger than the sum of its proper divisors (65052662618).

121003312102 is a wasteful number, since it uses less digits than its factorization.

121003312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499747.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121003312102 its reverse (201213300121), we get a palindrome (322216612223).

The spelling of 121003312102 in words is "one hundred twenty-one billion, three million, three hundred twelve thousand, one hundred two".