2113220001 has 4 divisors (see below), whose sum is σ = 2817626672. Its totient is φ = 1408813332.

The previous prime is 2113219949. The next prime is 2113220009. The reversal of 2113220001 is 1000223112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2113220001 - 2¹⁰ = 2113218977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113220009) 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, 352203331 + ... + 352203336.

It is an arithmetic number, because the mean of its divisors is an integer number (704406668).

Almost surely, 2^2113220001 is an apocalyptic number.

It is an amenable number.

2113220001 is a deficient number, since it is larger than the sum of its proper divisors (704406671).

2113220001 is an equidigital number, since it uses as much as digits as its factorization.

2113220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704406670.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2113220001 is about 45969.7726881480. The cubic root of 2113220001 is about 1283.2607295895.

Adding to 2113220001 its reverse (1000223112), we get a palindrome (3113443113).

The spelling of 2113220001 in words is "two billion, one hundred thirteen million, two hundred twenty thousand, one".