11121220112330 has 16 divisors (see below), whose sum is σ = 20021355255240. Its totient is φ = 4447786033152.

The previous prime is 11121220112291. The next prime is 11121220112347. The reversal of 11121220112330 is 3321102212111.

It can be written as a sum of positive squares in 4 ways, for example, as 10656705620521 + 464514491809 = 3264461^2 + 681553^2 .

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, 87684935 + ... + 87811674.

Almost surely, 2^{11121220112330} is an apocalyptic number.

11121220112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121220112330 is a deficient number, since it is larger than the sum of its proper divisors (8900135142910).

11121220112330 is a wasteful number, since it uses less digits than its factorization.

11121220112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175502953.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11121220112330 its reverse (3321102212111), we get a palindrome (14442322324441).

The spelling of 11121220112330 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, three hundred thirty".