122221011120220 has 24 divisors (see below), whose sum is σ = 256679635265424. Its totient is φ = 48885449798016.

The previous prime is 122221011120191. The next prime is 122221011120223. The reversal of 122221011120220 is 22021110122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221011120223) 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, 184326417 + ... + 184988296.

It is an arithmetic number, because the mean of its divisors is an integer number (10694984802726).

Almost surely, 2^{122221011120220} is an apocalyptic number.

122221011120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221011120220 is an abundant number, since it is smaller than the sum of its proper divisors (134458624145204).

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

122221011120220 is a wasteful number, since it uses less digits than its factorization.

122221011120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369331269 (or 369331267 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122221011120220 its reverse (22021110122221), we get a palindrome (144242121242441).

The spelling of 122221011120220 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, eleven million, one hundred twenty thousand, two hundred twenty".