11225721203 has 4 divisors (see below), whose sum is σ = 11225975400. Its totient is φ = 11225467008.

The previous prime is 11225721187. The next prime is 11225721257. The reversal of 11225721203 is 30212752211.

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 11225721203 - 2⁴ = 11225721187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11225721263) 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 3 ways as a sum of consecutive naturals, for example, 41753 + ... + 155546.

It is an arithmetic number, because the mean of its divisors is an integer number (2806493850).

Almost surely, 2^11225721203 is an apocalyptic number.

11225721203 is a deficient number, since it is larger than the sum of its proper divisors (254197).

11225721203 is an equidigital number, since it uses as much as digits as its factorization.

11225721203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254196.

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 11225721203 in words is "eleven billion, two hundred twenty-five million, seven hundred twenty-one thousand, two hundred three".