122212220220101 has 32 divisors (see below), whose sum is σ = 137721541593600. Its totient is φ = 107490916487680.

The previous prime is 122212220219987. The next prime is 122212220220133. The reversal of 122212220220101 is 101022022212221.

It is not a de Polignac number, because 122212220220101 - 2²² = 122212216025797 is a prime.

It is a super-2 number, since 2×122212220220101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212220222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195381035 + ... + 196005543.

It is an arithmetic number, because the mean of its divisors is an integer number (4303798174800).

Almost surely, 2^{122212220220101} is an apocalyptic number.

122212220220101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122212220220101 is a deficient number, since it is larger than the sum of its proper divisors (15509321373499).

122212220220101 is a wasteful number, since it uses less digits than its factorization.

122212220220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628909.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122212220220101 its reverse (101022022212221), we get a palindrome (223234242432322).

The spelling of 122212220220101 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty thousand, one hundred one".