20002011212291 has 2 divisors, whose sum is σ = 20002011212292. Its totient is φ = 20002011212290.

The previous prime is 20002011212279. The next prime is 20002011212353. The reversal of 20002011212291 is 19221211020002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002011212291 - 2¹⁸ = 20002010950147 is a prime.

It is a super-2 number, since 2×20002011212291² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20002011212891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001005606145 + 10001005606146.

It is an arithmetic number, because the mean of its divisors is an integer number (10001005606146).

Almost surely, 2^{20002011212291} is an apocalyptic number.

20002011212291 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002011212291 is an equidigital number, since it uses as much as digits as its factorization.

20002011212291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 20002011212291 its reverse (19221211020002), we get a palindrome (39223222232293).

The spelling of 20002011212291 in words is "twenty trillion, two billion, eleven million, two hundred twelve thousand, two hundred ninety-one".