11121011222203 has 4 divisors (see below), whose sum is σ = 11140764351048. Its totient is φ = 11101258093360.

The previous prime is 11121011222201. The next prime is 11121011222239. The reversal of 11121011222203 is 30222211012111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11121011222203 - 2¹ = 11121011222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121011222201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9876563578 + ... + 9876564703.

It is an arithmetic number, because the mean of its divisors is an integer number (2785191087762).

Almost surely, 2^{11121011222203} is an apocalyptic number.

11121011222203 is a deficient number, since it is larger than the sum of its proper divisors (19753128845).

11121011222203 is an equidigital number, since it uses as much as digits as its factorization.

11121011222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753128844.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11121011222203 its reverse (30222211012111), we get a palindrome (41343222234314).

The spelling of 11121011222203 in words is "eleven trillion, one hundred twenty-one billion, eleven million, two hundred twenty-two thousand, two hundred three".