1222202221102 has 8 divisors (see below), whose sum is σ = 1833340306896. Its totient is φ = 611088785472.

The previous prime is 1222202221099. The next prime is 1222202221103. The reversal of 1222202221102 is 2011222022221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1222202221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222202221103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6038083 + ... + 6237214.

It is an arithmetic number, because the mean of its divisors is an integer number (229167538362).

Almost surely, 2^{1222202221102} is an apocalyptic number.

1222202221102 is a deficient number, since it is larger than the sum of its proper divisors (611138085794).

1222202221102 is a wasteful number, since it uses less digits than its factorization.

1222202221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12325082.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1222202221102 its reverse (2011222022221), we get a palindrome (3233424243323).

The spelling of 1222202221102 in words is "one trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, one hundred two".