122220101011 has 2 divisors, whose sum is σ = 122220101012. Its totient is φ = 122220101010.

The previous prime is 122220101009. The next prime is 122220101023. The reversal of 122220101011 is 110101022221.

It is a weak prime.

It is an emirp because it is prime and its reverse (110101022221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122220101011 - 2¹ = 122220101009 is a prime.

It is a super-2 number, since 2×122220101011² (a number of 23 digits) contains 22 as substring.

Together with 122220101009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 122220100982 and 122220101000.

It is not a weakly prime, because it can be changed into another prime (122220701011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110050505 + 61110050506.

It is an arithmetic number, because the mean of its divisors is an integer number (61110050506).

Almost surely, 2^122220101011 is an apocalyptic number.

122220101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220101011 is an equidigital number, since it uses as much as digits as its factorization.

122220101011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122220101011 its reverse (110101022221), we get a palindrome (232321123232).

The spelling of 122220101011 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred one thousand, eleven".