122020020222100 has 576 divisors, whose sum is σ = 359267517407232. Its totient is φ = 34736405760000.

The previous prime is 122020020222083. The next prime is 122020020222109. The reversal of 122020020222100 is 1222020020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020020222109) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 21099775809 + ... + 21099781591.

It is an arithmetic number, because the mean of its divisors is an integer number (623728328832).

Almost surely, 2^{122020020222100} is an apocalyptic number.

122020020222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122020020222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179633758703616).

122020020222100 is an abundant number, since it is smaller than the sum of its proper divisors (237247497185132).

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

122020020222100 is a wasteful number, since it uses less digits than its factorization.

122020020222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016 (or 8009 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122020020222100 its reverse (1222020020221), we get a palindrome (123242040242321).

The spelling of 122020020222100 in words is "one hundred twenty-two trillion, twenty billion, twenty million, two hundred twenty-two thousand, one hundred".