122210101011222 has 384 divisors, whose sum is σ = 340434587750400. Its totient is φ = 30904004452608.

The previous prime is 122210101011161. The next prime is 122210101011263. The reversal of 122210101011222 is 222110101012221.

122210101011222 is a `hidden beast` number, since 122 + 210 + 10 + 101 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122210101011195 and 122210101011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 224450473 + ... + 224994299.

It is an arithmetic number, because the mean of its divisors is an integer number (886548405600).

Almost surely, 2^{122210101011222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122210101011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170217293875200).

122210101011222 is an abundant number, since it is smaller than the sum of its proper divisors (218224486739178).

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

122210101011222 is a wasteful number, since it uses less digits than its factorization.

122210101011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544000 (or 543997 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122210101011222 its reverse (222110101012221), we get a palindrome (344320202023443).

Subtracting 122210101011222 from its reverse (222110101012221), we obtain a palindrome (99900000000999).

The spelling of 122210101011222 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred one million, eleven thousand, two hundred twenty-two".