1222102322100 has 216 divisors, whose sum is σ = 4236096289152. Its totient is φ = 292208601600.

The previous prime is 1222102322059. The next prime is 1222102322183. The reversal of 1222102322100 is 12232012221.

1222102322100 is a `hidden beast` number, since 1 + 2 + 221 + 0 + 232 + 210 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 122812 + ... + 1568211.

Almost surely, 2^{1222102322100} is an apocalyptic number.

1222102322100 is a gapful number since it is divisible by the number (10) 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 1222102322100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2118048144576).

1222102322100 is an abundant number, since it is smaller than the sum of its proper divisors (3013993967052).

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

1222102322100 is a wasteful number, since it uses less digits than its factorization.

1222102322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691127 (or 1691117 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1222102322100 its reverse (12232012221), we get a palindrome (1234334334321).

The spelling of 1222102322100 in words is "one trillion, two hundred twenty-two billion, one hundred two million, three hundred twenty-two thousand, one hundred".