1222111300122 has 64 divisors (see below), whose sum is σ = 2756859753600. Its totient is φ = 401214211200.

The previous prime is 1222111300117. The next prime is 1222111300133. The reversal of 1222111300122 is 2210031112221.

1222111300122 is a `hidden beast` number, since 12 + 221 + 11 + 300 + 122 = 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 = 1222111300095 and 1222111300104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20958904 + ... + 21017132.

It is an arithmetic number, because the mean of its divisors is an integer number (43075933650).

Almost surely, 2^{1222111300122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222111300122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378429876800).

1222111300122 is an abundant number, since it is smaller than the sum of its proper divisors (1534748453478).

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

1222111300122 is a wasteful number, since it uses less digits than its factorization.

1222111300122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64108 (or 64102 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1222111300122 its reverse (2210031112221), we get a palindrome (3432142412343).

The spelling of 1222111300122 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, three hundred thousand, one hundred twenty-two".