11111121101350 has 48 divisors (see below), whose sum is σ = 20793102781248. Its totient is φ = 4417328615840.

The previous prime is 11111121101251. The next prime is 11111121101363. The reversal of 11111121101350 is 5310112111111.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5828589 + ... + 7496311.

It is an arithmetic number, because the mean of its divisors is an integer number (433189641276).

Almost surely, 2^{11111121101350} is an apocalyptic number.

11111121101350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111121101350 is a deficient number, since it is larger than the sum of its proper divisors (9681981679898).

11111121101350 is a wasteful number, since it uses less digits than its factorization.

11111121101350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668549 (or 1668544 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 19.

Adding to 11111121101350 its reverse (5310112111111), we get a palindrome (16421233212461).

The spelling of 11111121101350 in words is "eleven trillion, one hundred eleven billion, one hundred twenty-one million, one hundred one thousand, three hundred fifty".