2122019531369 has 2 divisors, whose sum is σ = 2122019531370. Its totient is φ = 2122019531368.

The previous prime is 2122019531341. The next prime is 2122019531383. The reversal of 2122019531369 is 9631359102212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1483738375744 + 638281155625 = 1218088^2 + 798925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122019531369 - 2⁸ = 2122019531113 is a prime.

It is a super-2 number, since 2×2122019531369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2122019531309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061009765684 + 1061009765685.

It is an arithmetic number, because the mean of its divisors is an integer number (1061009765685).

Almost surely, 2^{2122019531369} is an apocalyptic number.

It is an amenable number.

2122019531369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122019531369 is an equidigital number, since it uses as much as digits as its factorization.

2122019531369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 2122019531369 in words is "two trillion, one hundred twenty-two billion, nineteen million, five hundred thirty-one thousand, three hundred sixty-nine".