111121111010202 has 16 divisors (see below), whose sum is σ = 228248768561952. Its totient is φ = 36039279246480.

The previous prime is 111121111010177. The next prime is 111121111010213. The reversal of 111121111010202 is 202010111121111.

It is a super-2 number, since 2×111121111010202² (a number of 29 digits) contains 22 as substring.

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, 250272772324 + ... + 250272772767.

It is an arithmetic number, because the mean of its divisors is an integer number (14265548035122).

Almost surely, 2^{111121111010202} is an apocalyptic number.

111121111010202 is an abundant number, since it is smaller than the sum of its proper divisors (117127657551750).

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

111121111010202 is a wasteful number, since it uses less digits than its factorization.

111121111010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500545545133.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111121111010202 its reverse (202010111121111), we get a palindrome (313131222131313).

The spelling of 111121111010202 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, ten thousand, two hundred two".