2021222065153 has 2 divisors, whose sum is σ = 2021222065154. Its totient is φ = 2021222065152.

The previous prime is 2021222065141. The next prime is 2021222065157. The reversal of 2021222065153 is 3515602221202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1989321247489 + 31900817664 = 1410433^2 + 178608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021222065153 - 2²⁵ = 2021188510721 is a prime.

It is a super-2 number, since 2×2021222065153² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021222065157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010611032576 + 1010611032577.

It is an arithmetic number, because the mean of its divisors is an integer number (1010611032577).

Almost surely, 2^{2021222065153} is an apocalyptic number.

It is an amenable number.

2021222065153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021222065153 is an equidigital number, since it uses as much as digits as its factorization.

2021222065153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2021222065153 its reverse (3515602221202), we get a palindrome (5536824286355).

The spelling of 2021222065153 in words is "two trillion, twenty-one billion, two hundred twenty-two million, sixty-five thousand, one hundred fifty-three".