121111122212202 has 16 divisors (see below), whose sum is σ = 250035865212672. Its totient is φ = 39068103939360.

The previous prime is 121111122212189. The next prime is 121111122212251. The reversal of 121111122212202 is 202212221111121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325567532643 + ... + 325567533014.

It is an arithmetic number, because the mean of its divisors is an integer number (15627241575792).

Almost surely, 2^{121111122212202} is an apocalyptic number.

121111122212202 is an abundant number, since it is smaller than the sum of its proper divisors (128924743000470).

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

121111122212202 is a wasteful number, since it uses less digits than its factorization.

121111122212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651135065693.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 121111122212202 its reverse (202212221111121), we get a palindrome (323323343323323).

The spelling of 121111122212202 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twelve thousand, two hundred two".