11111121110202 has 32 divisors (see below), whose sum is σ = 23079279844800. Its totient is φ = 3563116875648.

The previous prime is 11111121110183. The next prime is 11111121110227. The reversal of 11111121110202 is 20201112111111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281160552 + ... + 281200067.

It is an arithmetic number, because the mean of its divisors is an integer number (721227495150).

Almost surely, 2^{11111121110202} is an apocalyptic number.

11111121110202 is an abundant number, since it is smaller than the sum of its proper divisors (11968158734598).

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

11111121110202 is a wasteful number, since it uses less digits than its factorization.

11111121110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562360750.

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

Adding to 11111121110202 its reverse (20201112111111), we get a palindrome (31312233221313).

The spelling of 11111121110202 in words is "eleven trillion, one hundred eleven billion, one hundred twenty-one million, one hundred ten thousand, two hundred two".