20212210323139 has 2 divisors, whose sum is σ = 20212210323140. Its totient is φ = 20212210323138.

The previous prime is 20212210323121. The next prime is 20212210323161. The reversal of 20212210323139 is 93132301221202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212210323139 - 2¹⁷ = 20212210192067 is a prime.

It is a super-2 number, since 2×20212210323139² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20212210323139.

It is not a weakly prime, because it can be changed into another prime (20212210323169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106105161569 + 10106105161570.

It is an arithmetic number, because the mean of its divisors is an integer number (10106105161570).

Almost surely, 2^{20212210323139} is an apocalyptic number.

20212210323139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212210323139 is an equidigital number, since it uses as much as digits as its factorization.

20212210323139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 20212210323139 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, three hundred twenty-three thousand, one hundred thirty-nine".