121202010102 has 64 divisors (see below), whose sum is σ = 260107588800. Its totient is φ = 37646758400.

The previous prime is 121202010089. The next prime is 121202010103. The reversal of 121202010102 is 201010202121.

121202010102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202010103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2956924 + ... + 2997632.

It is an arithmetic number, because the mean of its divisors is an integer number (4064181075).

Almost surely, 2^121202010102 is an apocalyptic number.

121202010102 is an abundant number, since it is smaller than the sum of its proper divisors (138905578698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121202010102 is a wasteful number, since it uses less digits than its factorization.

121202010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40866 (or 40832 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121202010102 its reverse (201010202121), we get a palindrome (322212212223).

The spelling of 121202010102 in words is "one hundred twenty-one billion, two hundred two million, ten thousand, one hundred two".