122221020220 has 48 divisors (see below), whose sum is σ = 280300644288. Its totient is φ = 44492152320.

The previous prime is 122221020199. The next prime is 122221020239. The reversal of 122221020220 is 22020122221.

It is a super-3 number, since 3×122221020220³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122221020194 and 122221020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3291969 + ... + 3328888.

It is an arithmetic number, because the mean of its divisors is an integer number (5839596756).

Almost surely, 2^122221020220 is an apocalyptic number.

122221020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221020220 is an abundant number, since it is smaller than the sum of its proper divisors (158079624068).

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

122221020220 is a wasteful number, since it uses less digits than its factorization.

122221020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620950 (or 6620948 counting only the distinct ones).

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

Adding to 122221020220 its reverse (22020122221), we get a palindrome (144241142441).

The spelling of 122221020220 in words is "one hundred twenty-two billion, two hundred twenty-one million, twenty thousand, two hundred twenty".