2111303401 has 4 divisors (see below), whose sum is σ = 2111406804. Its totient is φ = 2111200000.

The previous prime is 2111303339. The next prime is 2111303417. The reversal of 2111303401 is 1043031112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1097199376 + 1014104025 = 33124^2 + 31845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111303401 - 2⁷ = 2111303273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111303461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9700 + ... + 65701.

It is an arithmetic number, because the mean of its divisors is an integer number (527851701).

Almost surely, 2^2111303401 is an apocalyptic number.

It is an amenable number.

2111303401 is a deficient number, since it is larger than the sum of its proper divisors (103403).

2111303401 is an equidigital number, since it uses as much as digits as its factorization.

2111303401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103402.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2111303401 is about 45948.9216521998. The cubic root of 2111303401 is about 1282.8726580776.

Adding to 2111303401 its reverse (1043031112), we get a palindrome (3154334513).

The spelling of 2111303401 in words is "two billion, one hundred eleven million, three hundred three thousand, four hundred one".