121202302102 has 16 divisors (see below), whose sum is σ = 207782854560. Its totient is φ = 51941973888.

The previous prime is 121202302079. The next prime is 121202302129. The reversal of 121202302102 is 201203202121.

It is a happy number.

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, 291198 + ... + 572014.

It is an arithmetic number, because the mean of its divisors is an integer number (12986428410).

Almost surely, 2^121202302102 is an apocalyptic number.

121202302102 is a deficient number, since it is larger than the sum of its proper divisors (86580552458).

121202302102 is a wasteful number, since it uses less digits than its factorization.

121202302102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311655.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121202302102 its reverse (201203202121), we get a palindrome (322405504223).

The spelling of 121202302102 in words is "one hundred twenty-one billion, two hundred two million, three hundred two thousand, one hundred two".