11320121235 has 16 divisors (see below), whose sum is σ = 18113566464. Its totient is φ = 6036940512.

The previous prime is 11320121227. The next prime is 11320121237. The reversal of 11320121235 is 53212102311.

It is not a de Polignac number, because 11320121235 - 2³ = 11320121227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11320121237) by changing a digit.

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, 291684 + ... + 328206.

It is an arithmetic number, because the mean of its divisors is an integer number (1132097904).

Almost surely, 2^11320121235 is an apocalyptic number.

11320121235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11320121235 is a deficient number, since it is larger than the sum of its proper divisors (6793445229).

11320121235 is a wasteful number, since it uses less digits than its factorization.

11320121235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57194.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11320121235 its reverse (53212102311), we get a palindrome (64532223546).

The spelling of 11320121235 in words is "eleven billion, three hundred twenty million, one hundred twenty-one thousand, two hundred thirty-five".