122122202047 has 2 divisors, whose sum is σ = 122122202048. Its totient is φ = 122122202046.

The previous prime is 122122201979. The next prime is 122122202077. The reversal of 122122202047 is 740202221221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122122202047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122122202077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061101023 + 61061101024.

It is an arithmetic number, because the mean of its divisors is an integer number (61061101024).

Almost surely, 2^122122202047 is an apocalyptic number.

122122202047 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122202047 is an equidigital number, since it uses as much as digits as its factorization.

122122202047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 122122202047 its reverse (740202221221), we get a palindrome (862324423268).

The spelling of 122122202047 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred two thousand, forty-seven".