2122212102869 has 2 divisors, whose sum is σ = 2122212102870. Its totient is φ = 2122212102868.

The previous prime is 2122212102809. The next prime is 2122212102889. The reversal of 2122212102869 is 9682012122212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1896919480369 + 225292622500 = 1377287^2 + 474650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122212102869 is a prime.

It is a super-2 number, since 2×2122212102869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122212102809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061106051434 + 1061106051435.

It is an arithmetic number, because the mean of its divisors is an integer number (1061106051435).

Almost surely, 2^{2122212102869} is an apocalyptic number.

It is an amenable number.

2122212102869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122212102869 is an equidigital number, since it uses as much as digits as its factorization.

2122212102869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 2122212102869 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred two thousand, eight hundred sixty-nine".