122221101020 has 12 divisors (see below), whose sum is σ = 256664312184. Its totient is φ = 48888440400.

The previous prime is 122221101007. The next prime is 122221101029. The reversal of 122221101020 is 20101122221.

It is a junction number, because it is equal to n+sod(n) for n = 122221100986 and 122221101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221101029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055527506 + ... + 3055527545.

It is an arithmetic number, because the mean of its divisors is an integer number (21388692682).

Almost surely, 2^122221101020 is an apocalyptic number.

122221101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221101020 is an abundant number, since it is smaller than the sum of its proper divisors (134443211164).

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

122221101020 is a wasteful number, since it uses less digits than its factorization.

122221101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111055060 (or 6111055058 counting only the distinct ones).

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

Adding to 122221101020 its reverse (20101122221), we get a palindrome (142322223241).

The spelling of 122221101020 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, twenty".