2202121021057 has 2 divisors, whose sum is σ = 2202121021058. Its totient is φ = 2202121021056.

The previous prime is 2202121021013. The next prime is 2202121021081. The reversal of 2202121021057 is 7501201212022.

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., 2076362839681 + 125758181376 = 1440959^2 + 354624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202121021057 - 2⁷ = 2202121020929 is a prime.

It is a super-2 number, since 2×2202121021057² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2202121031057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101060510528 + 1101060510529.

It is an arithmetic number, because the mean of its divisors is an integer number (1101060510529).

Almost surely, 2^{2202121021057} is an apocalyptic number.

It is an amenable number.

2202121021057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202121021057 is an equidigital number, since it uses as much as digits as its factorization.

2202121021057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 2202121021057 its reverse (7501201212022), we get a palindrome (9703322233079).

The spelling of 2202121021057 in words is "two trillion, two hundred two billion, one hundred twenty-one million, twenty-one thousand, fifty-seven".