121010202201 has 16 divisors (see below), whose sum is σ = 184507167744. Its totient is φ = 69107186064.

The previous prime is 121010202161. The next prime is 121010202233. The reversal of 121010202201 is 102202010121.

It is not a de Polignac number, because 121010202201 - 2²³ = 121001813593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121010206201) 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 15 ways as a sum of consecutive naturals, for example, 1693365 + ... + 1763378.

It is an arithmetic number, because the mean of its divisors is an integer number (11531697984).

Almost surely, 2^121010202201 is an apocalyptic number.

It is an amenable number.

121010202201 is a deficient number, since it is larger than the sum of its proper divisors (63496965543).

121010202201 is a wasteful number, since it uses less digits than its factorization.

121010202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458420.

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

Adding to 121010202201 its reverse (102202010121), we get a palindrome (223212212322).

The spelling of 121010202201 in words is "one hundred twenty-one billion, ten million, two hundred two thousand, two hundred one".