2221022120102 has 64 divisors (see below), whose sum is σ = 3926431272960. Its totient is φ = 934863897600.

The previous prime is 2221022120089. The next prime is 2221022120117. The reversal of 2221022120102 is 2010212201222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 531458 + ... + 2173589.

It is an arithmetic number, because the mean of its divisors is an integer number (61350488640).

Almost surely, 2^{2221022120102} is an apocalyptic number.

2221022120102 is a deficient number, since it is larger than the sum of its proper divisors (1705409152858).

2221022120102 is a wasteful number, since it uses less digits than its factorization.

2221022120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705157.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221022120102 its reverse (2010212201222), we get a palindrome (4231234321324).

The spelling of 2221022120102 in words is "two trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred two".