2211110401 has 2 divisors, whose sum is σ = 2211110402. Its totient is φ = 2211110400.

The previous prime is 2211110399. The next prime is 2211110411. The reversal of 2211110401 is 1040111122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2209094001 + 2016400 = 47001^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211110401 - 2¹ = 2211110399 is a prime.

Together with 2211110399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2211110411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105555200 + 1105555201.

It is an arithmetic number, because the mean of its divisors is an integer number (1105555201).

Almost surely, 2^2211110401 is an apocalyptic number.

It is an amenable number.

2211110401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211110401 is an equidigital number, since it uses as much as digits as its factorization.

2211110401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2211110401 is about 47022.4457147860. The cubic root of 2211110401 is about 1302.7771794772. Note that the first 3 decimals are identical.

Adding to 2211110401 its reverse (1040111122), we get a palindrome (3251221523).

The spelling of 2211110401 in words is "two billion, two hundred eleven million, one hundred ten thousand, four hundred one".