122221122200112 has 160 divisors (see below), whose sum is σ = 349226026978752. Its totient is φ = 36588983980032.

The previous prime is 122221122200011. The next prime is 122221122200117. The reversal of 122221122200112 is 211002221122221.

It is not an unprimeable number, because it can be changed into a prime (122221122200117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1040679058 + ... + 1040796494.

Almost surely, 2^{122221122200112} is an apocalyptic number.

122221122200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122221122200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174613013489376).

122221122200112 is an abundant number, since it is smaller than the sum of its proper divisors (227004904778640).

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

122221122200112 is a wasteful number, since it uses less digits than its factorization.

122221122200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162575 (or 162569 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122221122200112 its reverse (211002221122221), we get a palindrome (333223343322333).

The spelling of 122221122200112 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred thousand, one hundred twelve".