122121220267 has 2 divisors, whose sum is σ = 122121220268. Its totient is φ = 122121220266.

The previous prime is 122121220201. The next prime is 122121220271. The reversal of 122121220267 is 762022121221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122121220267 is a prime.

It is a super-2 number, since 2×122121220267² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122121220567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060610133 + 61060610134.

It is an arithmetic number, because the mean of its divisors is an integer number (61060610134).

Almost surely, 2^122121220267 is an apocalyptic number.

122121220267 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121220267 is an equidigital number, since it uses as much as digits as its factorization.

122121220267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 122121220267 its reverse (762022121221), we get a palindrome (884143341488).

The spelling of 122121220267 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred sixty-seven".