122222211112122 has 48 divisors (see below), whose sum is σ = 268692290506080. Its totient is φ = 37036282935520.

The previous prime is 122222211112097. The next prime is 122222211112123. The reversal of 122222211112122 is 221211112222221.

It is a super-2 number, since 2×122222211112122² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122222211112092 and 122222211112101.

It is not an unprimeable number, because it can be changed into a prime (122222211112123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34668913 + ... + 38031275.

It is an arithmetic number, because the mean of its divisors is an integer number (5597756052210).

Almost surely, 2^{122222211112122} is an apocalyptic number.

122222211112122 is an abundant number, since it is smaller than the sum of its proper divisors (146470079393958).

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

122222211112122 is a wasteful number, since it uses less digits than its factorization.

122222211112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412459 (or 3412448 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

Adding to 122222211112122 its reverse (221211112222221), we get a palindrome (343433323334343).

The spelling of 122222211112122 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-two".