122201121112020 has 144 divisors (see below), whose sum is σ = 371056089051648. Its totient is φ = 32553630600960.

The previous prime is 122201121111929. The next prime is 122201121112051. The reversal of 122201121112020 is 20211121102221.

It is a super-2 number, since 2×122201121112020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122201121111984 and 122201121112002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 813400510 + ... + 813550730.

It is an arithmetic number, because the mean of its divisors is an integer number (2576778396192).

Almost surely, 2^{122201121112020} is an apocalyptic number.

122201121112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201121112020 is an abundant number, since it is smaller than the sum of its proper divisors (248854967939628).

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

122201121112020 is a wasteful number, since it uses less digits than its factorization.

122201121112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154830 (or 154825 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122201121112020 its reverse (20211121102221), we get a palindrome (142412242214241).

The spelling of 122201121112020 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, one hundred twelve thousand, twenty".