1022221203102 has 48 divisors (see below), whose sum is σ = 2558286227952. Its totient is φ = 291542588160.

The previous prime is 1022221203097. The next prime is 1022221203109. The reversal of 1022221203102 is 2013021222201.

1022221203102 is a `hidden beast` number, since 10 + 2 + 222 + 120 + 310 + 2 = 666.

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 (1022221203109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151841733 + ... + 151848464.

It is an arithmetic number, because the mean of its divisors is an integer number (53297629749).

Almost surely, 2^{1022221203102} is an apocalyptic number.

1022221203102 is an abundant number, since it is smaller than the sum of its proper divisors (1536065024850).

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

1022221203102 is a wasteful number, since it uses less digits than its factorization.

1022221203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303690233 (or 303690230 counting only the distinct ones).

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

Adding to 1022221203102 its reverse (2013021222201), we get a palindrome (3035242425303).

The spelling of 1022221203102 in words is "one trillion, twenty-two billion, two hundred twenty-one million, two hundred three thousand, one hundred two".