122202221121112 has 256 divisors, whose sum is σ = 272054793830400. Its totient is φ = 50897149754880.

The previous prime is 122202221121107. The next prime is 122202221121137. The reversal of 122202221121112 is 211121122202221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2112478573 + ... + 2112536419.

It is an arithmetic number, because the mean of its divisors is an integer number (1062714038400).

Almost surely, 2^{122202221121112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122202221121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136027396915200).

122202221121112 is an abundant number, since it is smaller than the sum of its proper divisors (149852572709288).

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

122202221121112 is a wasteful number, since it uses less digits than its factorization.

122202221121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58406 (or 58402 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122202221121112 its reverse (211121122202221), we get a palindrome (333323343323333).

The spelling of 122202221121112 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".