121120210102 has 16 divisors (see below), whose sum is σ = 183168432720. Its totient is φ = 60064928352.

The previous prime is 121120210091. The next prime is 121120210111. The reversal of 121120210102 is 201012021121.

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, 66568 + ... + 496660.

It is an arithmetic number, because the mean of its divisors is an integer number (11448027045).

Almost surely, 2^121120210102 is an apocalyptic number.

121120210102 is a deficient number, since it is larger than the sum of its proper divisors (62048222618).

121120210102 is a wasteful number, since it uses less digits than its factorization.

121120210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431247.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121120210102 its reverse (201012021121), we get a palindrome (322132231223).

The spelling of 121120210102 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, one hundred two".