122011211342243 has 2 divisors, whose sum is σ = 122011211342244. Its totient is φ = 122011211342242.

The previous prime is 122011211342117. The next prime is 122011211342249. The reversal of 122011211342243 is 342243112110221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122011211342243 is a prime.

It is not a weakly prime, because it can be changed into another prime (122011211342249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005605671121 + 61005605671122.

It is an arithmetic number, because the mean of its divisors is an integer number (61005605671122).

Almost surely, 2^{122011211342243} is an apocalyptic number.

122011211342243 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011211342243 is an equidigital number, since it uses as much as digits as its factorization.

122011211342243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 122011211342243 its reverse (342243112110221), we get a palindrome (464254323452464).

The spelling of 122011211342243 in words is "one hundred twenty-two trillion, eleven billion, two hundred eleven million, three hundred forty-two thousand, two hundred forty-three".