2021210221159 has 2 divisors, whose sum is σ = 2021210221160. Its totient is φ = 2021210221158.

The previous prime is 2021210221091. The next prime is 2021210221183. The reversal of 2021210221159 is 9511220121202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021210221159 - 2¹¹ = 2021210219111 is a prime.

It is a super-2 number, since 2×2021210221159² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021210227159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010605110579 + 1010605110580.

It is an arithmetic number, because the mean of its divisors is an integer number (1010605110580).

Almost surely, 2^{2021210221159} is an apocalyptic number.

2021210221159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021210221159 is an equidigital number, since it uses as much as digits as its factorization.

2021210221159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 2021210221159 in words is "two trillion, twenty-one billion, two hundred ten million, two hundred twenty-one thousand, one hundred fifty-nine".