122222001101 has 2 divisors, whose sum is σ = 122222001102. Its totient is φ = 122222001100.

The previous prime is 122222001061. The next prime is 122222001103. The reversal of 122222001101 is 101100222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121992327076 + 229674025 = 349274^2 + 15155^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222001101 - 2³⁰ = 121148259277 is a prime.

Together with 122222001103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222001103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111000550 + 61111000551.

It is an arithmetic number, because the mean of its divisors is an integer number (61111000551).

Almost surely, 2^122222001101 is an apocalyptic number.

It is an amenable number.

122222001101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222001101 is an equidigital number, since it uses as much as digits as its factorization.

122222001101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122222001101 its reverse (101100222221), we get a palindrome (223322223322).

The spelling of 122222001101 in words is "one hundred twenty-two billion, two hundred twenty-two million, one thousand, one hundred one".