1002220221102 has 32 divisors (see below), whose sum is σ = 2047295658240. Its totient is φ = 326998573440.

The previous prime is 1002220221047. The next prime is 1002220221139. The reversal of 1002220221102 is 2011220222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8403483 + ... + 8521910.

It is an arithmetic number, because the mean of its divisors is an integer number (63977989320).

Almost surely, 2^{1002220221102} is an apocalyptic number.

1002220221102 is an abundant number, since it is smaller than the sum of its proper divisors (1045075437138).

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

1002220221102 is a wasteful number, since it uses less digits than its factorization.

1002220221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16925608.

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

Adding to 1002220221102 its reverse (2011220222001), we get a palindrome (3013440443103).

The spelling of 1002220221102 in words is "one trillion, two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred two".