2110220401 has 2 divisors, whose sum is σ = 2110220402. Its totient is φ = 2110220400.

The previous prime is 2110220383. The next prime is 2110220407. The reversal of 2110220401 is 1040220112.

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., 1991301376 + 118919025 = 44624^2 + 10905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110220401 - 2⁹ = 2110219889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110220407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055110200 + 1055110201.

It is an arithmetic number, because the mean of its divisors is an integer number (1055110201).

Almost surely, 2^2110220401 is an apocalyptic number.

It is an amenable number.

2110220401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110220401 is an equidigital number, since it uses as much as digits as its factorization.

2110220401 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 13.

The square root of 2110220401 is about 45937.1353155592. The cubic root of 2110220401 is about 1282.6532693163.

Adding to 2110220401 its reverse (1040220112), we get a palindrome (3150440513).

The spelling of 2110220401 in words is "two billion, one hundred ten million, two hundred twenty thousand, four hundred one".