121111202202 has 16 divisors (see below), whose sum is σ = 242275706400. Its totient is φ = 40361517072.

The previous prime is 121111202159. The next prime is 121111202221. The reversal of 121111202202 is 202202111121.

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, 2191348 + ... + 2245935.

It is an arithmetic number, because the mean of its divisors is an integer number (15142231650).

Almost surely, 2^121111202202 is an apocalyptic number.

121111202202 is an abundant number, since it is smaller than the sum of its proper divisors (121164504198).

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

121111202202 is a wasteful number, since it uses less digits than its factorization.

121111202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441837.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121111202202 its reverse (202202111121), we get a palindrome (323313313323).

The spelling of 121111202202 in words is "one hundred twenty-one billion, one hundred eleven million, two hundred two thousand, two hundred two".