122201122020 has 24 divisors (see below), whose sum is σ = 342163141824. Its totient is φ = 32586965856.

The previous prime is 122201121989. The next prime is 122201122061. The reversal of 122201122020 is 20221102221.

It is a super-2 number, since 2×122201122020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018342624 + ... + 1018342743.

It is an arithmetic number, because the mean of its divisors is an integer number (14256797576).

Almost surely, 2^122201122020 is an apocalyptic number.

122201122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201122020 is an abundant number, since it is smaller than the sum of its proper divisors (219962019804).

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

122201122020 is a wasteful number, since it uses less digits than its factorization.

122201122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036685379 (or 2036685377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122201122020 its reverse (20221102221), we get a palindrome (142422224241).

The spelling of 122201122020 in words is "one hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, twenty".