122011210220 has 24 divisors (see below), whose sum is σ = 256377130800. Its totient is φ = 48775228992.

The previous prime is 122011210201. The next prime is 122011210229. The reversal of 122011210220 is 22012110221.

It is a junction number, because it is equal to n+sod(n) for n = 122011210195 and 122011210204.

It is not an unprimeable number, because it can be changed into a prime (122011210229) 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, 1794230 + ... + 1860989.

It is an arithmetic number, because the mean of its divisors is an integer number (10682380450).

Almost surely, 2^122011210220 is an apocalyptic number.

122011210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011210220 is an abundant number, since it is smaller than the sum of its proper divisors (134365920580).

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

122011210220 is a wasteful number, since it uses less digits than its factorization.

122011210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656897 (or 3656895 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122011210220 its reverse (22012110221), we get a palindrome (144023320441).

Subtracting from 122011210220 its reverse (22012110221), we obtain a palindrome (99999099999).

The spelling of 122011210220 in words is "one hundred twenty-two billion, eleven million, two hundred ten thousand, two hundred twenty".