122020010212221 has 12 divisors (see below), whose sum is σ = 192273955486080. Its totient is φ = 73951521340680.

The previous prime is 122020010212213. The next prime is 122020010212223. The reversal of 122020010212221 is 122212010020221.

It is a happy number.

122020010212221 is a `hidden beast` number, since 1 + 2 + 20 + 200 + 10 + 212 + 221 = 666.

It is not a de Polignac number, because 122020010212221 - 2³ = 122020010212213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122020010212194 and 122020010212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020010212223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616262677741 + ... + 616262677938.

It is an arithmetic number, because the mean of its divisors is an integer number (16022829623840).

Almost surely, 2^{122020010212221} is an apocalyptic number.

122020010212221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122020010212221 is a deficient number, since it is larger than the sum of its proper divisors (70253945273859).

122020010212221 is a wasteful number, since it uses less digits than its factorization.

122020010212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232525355696 (or 1232525355693 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122020010212221 its reverse (122212010020221), we get a palindrome (244232020232442).

The spelling of 122020010212221 in words is "one hundred twenty-two trillion, twenty billion, ten million, two hundred twelve thousand, two hundred twenty-one".