2245111121 has 16 divisors (see below), whose sum is σ = 2557415808. Its totient is φ = 1950960000.

The previous prime is 2245111081. The next prime is 2245111139. The reversal of 2245111121 is 1211115422.

It is a de Polignac number, because none of the positive numbers 2^k-2245111121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2245111093 and 2245111102.

It is not an unprimeable number, because it can be changed into a prime (2245111151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746621 + ... + 749621.

It is an arithmetic number, because the mean of its divisors is an integer number (159838488).

Almost surely, 2^2245111121 is an apocalyptic number.

It is an amenable number.

2245111121 is a deficient number, since it is larger than the sum of its proper divisors (312304687).

2245111121 is a wasteful number, since it uses less digits than its factorization.

2245111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992.

The product of its digits is 160, while the sum is 20.

The square root of 2245111121 is about 47382.6035692426. The cubic root of 2245111121 is about 1309.4209357272.

Adding to 2245111121 its reverse (1211115422), we get a palindrome (3456226543).

The spelling of 2245111121 in words is "two billion, two hundred forty-five million, one hundred eleven thousand, one hundred twenty-one".