2111225203 has 4 divisors (see below), whose sum is σ = 2113060608. Its totient is φ = 2109389800.

The previous prime is 2111225197. The next prime is 2111225219. The reversal of 2111225203 is 3025221112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111225203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111225243) 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, 915976 + ... + 918277.

It is an arithmetic number, because the mean of its divisors is an integer number (528265152).

Almost surely, 2^2111225203 is an apocalyptic number.

2111225203 is a deficient number, since it is larger than the sum of its proper divisors (1835405).

2111225203 is a wasteful number, since it uses less digits than its factorization.

2111225203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835404.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2111225203 is about 45948.0707211957. The cubic root of 2111225203 is about 1282.8568196284.

Adding to 2111225203 its reverse (3025221112), we get a palindrome (5136446315).

The spelling of 2111225203 in words is "two billion, one hundred eleven million, two hundred twenty-five thousand, two hundred three".