122201011020 has 48 divisors (see below), whose sum is σ = 373268544768. Its totient is φ = 29624487360.

The previous prime is 122201010949. The next prime is 122201011033. The reversal of 122201011020 is 20110102221.

It is a super-2 number, since 2×122201011020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 122201010987 and 122201011005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92575864 + ... + 92577183.

It is an arithmetic number, because the mean of its divisors is an integer number (7776428016).

Almost surely, 2^122201011020 is an apocalyptic number.

122201011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201011020 is an abundant number, since it is smaller than the sum of its proper divisors (251067533748).

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

122201011020 is a wasteful number, since it uses less digits than its factorization.

122201011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185153070 (or 185153068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122201011020 its reverse (20110102221), we get a palindrome (142311113241).

The spelling of 122201011020 in words is "one hundred twenty-two billion, two hundred one million, eleven thousand, twenty".