20212213100423 has 2 divisors, whose sum is σ = 20212213100424. Its totient is φ = 20212213100422.

The previous prime is 20212213100273. The next prime is 20212213100477. The reversal of 20212213100423 is 32400131221202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212213100423 - 2¹⁴ = 20212213084039 is a prime.

It is a super-2 number, since 2×20212213100423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212213130423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106106550211 + 10106106550212.

It is an arithmetic number, because the mean of its divisors is an integer number (10106106550212).

Almost surely, 2^{20212213100423} is an apocalyptic number.

20212213100423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212213100423 is an equidigital number, since it uses as much as digits as its factorization.

20212213100423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20212213100423 its reverse (32400131221202), we get a palindrome (52612344321625).

The spelling of 20212213100423 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, one hundred thousand, four hundred twenty-three".