2122020001187 has 2 divisors, whose sum is σ = 2122020001188. Its totient is φ = 2122020001186.

The previous prime is 2122020001177. The next prime is 2122020001207. The reversal of 2122020001187 is 7811000202212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122020001187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122020001177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010000593 + 1061010000594.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010000594).

Almost surely, 2^{2122020001187} is an apocalyptic number.

2122020001187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122020001187 is an equidigital number, since it uses as much as digits as its factorization.

2122020001187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 2122020001187 its reverse (7811000202212), we get a palindrome (9933020203399).

The spelling of 2122020001187 in words is "two trillion, one hundred twenty-two billion, twenty million, one thousand, one hundred eighty-seven".