122010221100071 has 2 divisors, whose sum is σ = 122010221100072. Its totient is φ = 122010221100070.

The previous prime is 122010221100067. The next prime is 122010221100077. The reversal of 122010221100071 is 170001122010221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122010221100071 - 2² = 122010221100067 is a prime.

It is a super-2 number, since 2×122010221100071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122010221100077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005110550035 + 61005110550036.

It is an arithmetic number, because the mean of its divisors is an integer number (61005110550036).

Almost surely, 2^{122010221100071} is an apocalyptic number.

122010221100071 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010221100071 is an equidigital number, since it uses as much as digits as its factorization.

122010221100071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 122010221100071 its reverse (170001122010221), we get a palindrome (292011343110292).

The spelling of 122010221100071 in words is "one hundred twenty-two trillion, ten billion, two hundred twenty-one million, one hundred thousand, seventy-one".