2211201401 has 2 divisors, whose sum is σ = 2211201402. Its totient is φ = 2211201400.

The previous prime is 2211201353. The next prime is 2211201431. The reversal of 2211201401 is 1041021122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2012419600 + 198781801 = 44860^2 + 14099^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211201401 - 2⁶ = 2211201337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211201431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105600700 + 1105600701.

It is an arithmetic number, because the mean of its divisors is an integer number (1105600701).

Almost surely, 2^2211201401 is an apocalyptic number.

It is an amenable number.

2211201401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211201401 is an equidigital number, since it uses as much as digits as its factorization.

2211201401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2211201401 is about 47023.4133278306. The cubic root of 2211201401 is about 1302.7950515076.

Adding to 2211201401 its reverse (1041021122), we get a palindrome (3252222523).

The spelling of 2211201401 in words is "two billion, two hundred eleven million, two hundred one thousand, four hundred one".