2221101133 has 2 divisors, whose sum is σ = 2221101134. Its totient is φ = 2221101132.

The previous prime is 2221101101. The next prime is 2221101143. The reversal of 2221101133 is 3311011222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1400106724 + 820994409 = 37418^2 + 28653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221101133 - 2⁵ = 2221101101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221101143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110550566 + 1110550567.

It is an arithmetic number, because the mean of its divisors is an integer number (1110550567).

Almost surely, 2^2221101133 is an apocalyptic number.

It is an amenable number.

2221101133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221101133 is an equidigital number, since it uses as much as digits as its factorization.

2221101133 is an evil number, because the sum of its binary digits is even.

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

The square root of 2221101133 is about 47128.5596321381. The cubic root of 2221101133 is about 1304.7363976806.

Adding to 2221101133 its reverse (3311011222), we get a palindrome (5532112355).

The spelling of 2221101133 in words is "two billion, two hundred twenty-one million, one hundred one thousand, one hundred thirty-three".