121132120102 has 16 divisors (see below), whose sum is σ = 207664065792. Its totient is φ = 51911515080.

The previous prime is 121132120099. The next prime is 121132120159. The reversal of 121132120102 is 201021231121.

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, 170463 + ... + 520885.

It is an arithmetic number, because the mean of its divisors is an integer number (12979004112).

Almost surely, 2^121132120102 is an apocalyptic number.

121132120102 is a deficient number, since it is larger than the sum of its proper divisors (86531945690).

121132120102 is a wasteful number, since it uses less digits than its factorization.

121132120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375123.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121132120102 its reverse (201021231121), we get a palindrome (322153351223).

The spelling of 121132120102 in words is "one hundred twenty-one billion, one hundred thirty-two million, one hundred twenty thousand, one hundred two".