2211020987339 has 2 divisors, whose sum is σ = 2211020987340. Its totient is φ = 2211020987338.

The previous prime is 2211020987317. The next prime is 2211020987393. The reversal of 2211020987339 is 9337890201122.

Together with next prime (2211020987393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211020987339 - 2³² = 2206726020043 is a prime.

It is a super-2 number, since 2×2211020987339² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211020987293 and 2211020987302.

It is not a weakly prime, because it can be changed into another prime (2211020987239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105510493669 + 1105510493670.

It is an arithmetic number, because the mean of its divisors is an integer number (1105510493670).

Almost surely, 2^{2211020987339} is an apocalyptic number.

2211020987339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211020987339 is an equidigital number, since it uses as much as digits as its factorization.

2211020987339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 2211020987339 in words is "two trillion, two hundred eleven billion, twenty million, nine hundred eighty-seven thousand, three hundred thirty-nine".