122011211342117 has 2 divisors, whose sum is σ = 122011211342118. Its totient is φ = 122011211342116.

The previous prime is 122011211342071. The next prime is 122011211342243. The reversal of 122011211342117 is 711243112110221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100886074170436 + 21125137171681 = 10044206^2 + 4596209^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011211342117 - 2⁴⁴ = 104419025297701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122011211342117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122011211332117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005605671058 + 61005605671059.

It is an arithmetic number, because the mean of its divisors is an integer number (61005605671059).

Almost surely, 2^{122011211342117} is an apocalyptic number.

It is an amenable number.

122011211342117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011211342117 is an equidigital number, since it uses as much as digits as its factorization.

122011211342117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

Adding to 122011211342117 its reverse (711243112110221), we get a palindrome (833254323452338).

The spelling of 122011211342117 in words is "one hundred twenty-two trillion, eleven billion, two hundred eleven million, three hundred forty-two thousand, one hundred seventeen".