122221010002220 has 24 divisors (see below), whose sum is σ = 256681762974000. Its totient is φ = 48885043625792.

The previous prime is 122221010002219. The next prime is 122221010002253. The reversal of 122221010002220 is 22200010122221.

It is a happy number.

It is a super-2 number, since 2×122221010002220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209725190 + ... + 210307149.

It is an arithmetic number, because the mean of its divisors is an integer number (10695073457250).

Almost surely, 2^{122221010002220} is an apocalyptic number.

122221010002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221010002220 is an abundant number, since it is smaller than the sum of its proper divisors (134460752971780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221010002220 is a wasteful number, since it uses less digits than its factorization.

122221010002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420046897 (or 420046895 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122221010002220 its reverse (22200010122221), we get a palindrome (144421020124441).

The spelling of 122221010002220 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, ten million, two thousand, two hundred twenty".