20212563386011 has 2 divisors, whose sum is σ = 20212563386012. Its totient is φ = 20212563386010.

The previous prime is 20212563386009. The next prime is 20212563386107. The reversal of 20212563386011 is 11068336521202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212563386011 - 2¹ = 20212563386009 is a prime.

It is a super-2 number, since 2×20212563386011² (a number of 27 digits) contains 22 as substring.

Together with 20212563386009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20212563386611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106281693005 + 10106281693006.

It is an arithmetic number, because the mean of its divisors is an integer number (10106281693006).

Almost surely, 2^{20212563386011} is an apocalyptic number.

20212563386011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212563386011 is an equidigital number, since it uses as much as digits as its factorization.

20212563386011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 20212563386011 in words is "twenty trillion, two hundred twelve billion, five hundred sixty-three million, three hundred eighty-six thousand, eleven".