2123220113 has 8 divisors (see below), whose sum is σ = 2554249920. Its totient is φ = 1724118480.

The previous prime is 2123220089. The next prime is 2123220133. The reversal of 2123220113 is 3110223212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2123220113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123220091 and 2123220100.

It is not an unprimeable number, because it can be changed into a prime (2123220133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7981898 + ... + 7982163.

It is an arithmetic number, because the mean of its divisors is an integer number (319281240).

Almost surely, 2^2123220113 is an apocalyptic number.

It is an amenable number.

2123220113 is a deficient number, since it is larger than the sum of its proper divisors (431029807).

2123220113 is a wasteful number, since it uses less digits than its factorization.

2123220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15964087.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2123220113 is about 46078.4126571218. The cubic root of 2123220113 is about 1285.2817467765.

Adding to 2123220113 its reverse (3110223212), we get a palindrome (5233443325).

The spelling of 2123220113 in words is "two billion, one hundred twenty-three million, two hundred twenty thousand, one hundred thirteen".