122212021210871 has 2 divisors, whose sum is σ = 122212021210872. Its totient is φ = 122212021210870.

The previous prime is 122212021210861. The next prime is 122212021210931. The reversal of 122212021210871 is 178012120212221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122212021210871 - 2²² = 122212017016567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122212021210801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106010605435 + 61106010605436.

It is an arithmetic number, because the mean of its divisors is an integer number (61106010605436).

Almost surely, 2^{122212021210871} is an apocalyptic number.

122212021210871 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212021210871 is an equidigital number, since it uses as much as digits as its factorization.

122212021210871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 32.

The spelling of 122212021210871 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred ten thousand, eight hundred seventy-one".