122000220000100 has 54 divisors (see below), whose sum is σ = 286671641248230. Its totient is φ = 45046235070720.

The previous prime is 122000220000077. The next prime is 122000220000121. The reversal of 122000220000100 is 1000022000221.

It can be written as a sum of positive squares in 9 ways, for example, as 88360150400064 + 33640069600036 = 9400008^2 + 5800006^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3609457065 + ... + 3609490864.

Almost surely, 2^{122000220000100} is an apocalyptic number.

122000220000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000220000100 is an abundant number, since it is smaller than the sum of its proper divisors (164671421248130).

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

122000220000100 is a wasteful number, since it uses less digits than its factorization.

122000220000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218947969 (or 7218947949 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 122000220000100 its reverse (1000022000221), we get a palindrome (123000242000321).

The spelling of 122000220000100 in words is "one hundred twenty-two trillion, two hundred twenty million, one hundred", and thus it is an aban number.