1222100120202 has 192 divisors, whose sum is σ = 2850199643520. Its totient is φ = 348083453952.

The previous prime is 1222100120191. The next prime is 1222100120231. The reversal of 1222100120202 is 2020210012221.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 262419858 + ... + 262424514.

It is an arithmetic number, because the mean of its divisors is an integer number (14844789810).

Almost surely, 2^{1222100120202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222100120202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425099821760).

1222100120202 is an abundant number, since it is smaller than the sum of its proper divisors (1628099523318).

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

1222100120202 is a wasteful number, since it uses less digits than its factorization.

1222100120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222100120202 its reverse (2020210012221), we get a palindrome (3242310132423).

The spelling of 1222100120202 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred twenty thousand, two hundred two".