122011020220 has 24 divisors (see below), whose sum is σ = 256300480800. Its totient is φ = 48789676992.

The previous prime is 122011020167. The next prime is 122011020221. The reversal of 122011020220 is 22020110221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122011020220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852655 + ... + 985414.

It is an arithmetic number, because the mean of its divisors is an integer number (10679186700).

Almost surely, 2^122011020220 is an apocalyptic number.

122011020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011020220 is an abundant number, since it is smaller than the sum of its proper divisors (134289460580).

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

122011020220 is a wasteful number, since it uses less digits than its factorization.

122011020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841397 (or 1841395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122011020220 its reverse (22020110221), we get a palindrome (144031130441).

Subtracting from 122011020220 its reverse (22020110221), we obtain a palindrome (99990909999).

The spelling of 122011020220 in words is "one hundred twenty-two billion, eleven million, twenty thousand, two hundred twenty".