2244101021 has 2 divisors, whose sum is σ = 2244101022. Its totient is φ = 2244101020.

The previous prime is 2244101003. The next prime is 2244101029. The reversal of 2244101021 is 1201014422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2142393796 + 101707225 = 46286^2 + 10085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244101021 - 2¹⁰ = 2244099997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2244101029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122050510 + 1122050511.

It is an arithmetic number, because the mean of its divisors is an integer number (1122050511).

Almost surely, 2^2244101021 is an apocalyptic number.

It is an amenable number.

2244101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244101021 is an equidigital number, since it uses as much as digits as its factorization.

2244101021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2244101021 is about 47371.9433947986. The cubic root of 2244101021 is about 1309.2245320122.

Adding to 2244101021 its reverse (1201014422), we get a palindrome (3445115443).

The spelling of 2244101021 in words is "two billion, two hundred forty-four million, one hundred one thousand, twenty-one".