2122312121287 has 2 divisors, whose sum is σ = 2122312121288. Its totient is φ = 2122312121286.

The previous prime is 2122312121203. The next prime is 2122312121291. The reversal of 2122312121287 is 7821212132212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122312121287 - 2³¹ = 2120164637639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122312131287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061156060643 + 1061156060644.

It is an arithmetic number, because the mean of its divisors is an integer number (1061156060644).

Almost surely, 2^{2122312121287} is an apocalyptic number.

2122312121287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122312121287 is an equidigital number, since it uses as much as digits as its factorization.

2122312121287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

Adding to 2122312121287 its reverse (7821212132212), we get a palindrome (9943524253499).

The spelling of 2122312121287 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty-one thousand, two hundred eighty-seven".