1022211222102 has 48 divisors (see below), whose sum is σ = 2538484296192. Its totient is φ = 291218664240.

The previous prime is 1022211222101. The next prime is 1022211222121. The reversal of 1022211222102 is 2012221122201.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022211222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11646174 + ... + 11733617.

It is an arithmetic number, because the mean of its divisors is an integer number (52885089504).

Almost surely, 2^{1022211222102} is an apocalyptic number.

1022211222102 is an abundant number, since it is smaller than the sum of its proper divisors (1516273074090).

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

1022211222102 is a wasteful number, since it uses less digits than its factorization.

1022211222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23380153 (or 23380150 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022211222102 its reverse (2012221122201), we get a palindrome (3034432344303).

Subtracting 1022211222102 from its reverse (2012221122201), we obtain a palindrome (990009900099).

The spelling of 1022211222102 in words is "one trillion, twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred two".