121111122010202 has 16 divisors (see below), whose sum is σ = 181750777041600. Its totient is φ = 60527536120800.

The previous prime is 121111122010199. The next prime is 121111122010243. The reversal of 121111122010202 is 202010221111121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35999702 + ... + 39219902.

It is an arithmetic number, because the mean of its divisors is an integer number (11359423565100).

Almost surely, 2^{121111122010202} is an apocalyptic number.

121111122010202 is a deficient number, since it is larger than the sum of its proper divisors (60639655031398).

121111122010202 is a wasteful number, since it uses less digits than its factorization.

121111122010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228901.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121111122010202 its reverse (202010221111121), we get a palindrome (323121343121323).

The spelling of 121111122010202 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred twenty-two million, ten thousand, two hundred two".