121010210202 has 16 divisors (see below), whose sum is σ = 276594766272. Its totient is φ = 34574345760.

The previous prime is 121010210117. The next prime is 121010210207. The reversal of 121010210202 is 202012010121.

It is not an unprimeable number, because it can be changed into a prime (121010210207) by changing a digit.

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, 1440597699 + ... + 1440597782.

It is an arithmetic number, because the mean of its divisors is an integer number (17287172892).

Almost surely, 2^121010210202 is an apocalyptic number.

121010210202 is an abundant number, since it is smaller than the sum of its proper divisors (155584556070).

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

121010210202 is a wasteful number, since it uses less digits than its factorization.

121010210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881195493.

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

Adding to 121010210202 its reverse (202012010121), we get a palindrome (323022220323).

The spelling of 121010210202 in words is "one hundred twenty-one billion, ten million, two hundred ten thousand, two hundred two".