221022010002 has 16 divisors (see below), whose sum is σ = 468046609632. Its totient is φ = 69340238400.

The previous prime is 221022009977. The next prime is 221022010021. The reversal of 221022010002 is 200010220122.

It is a self number, because there is not a number n which added to its sum of digits gives 221022010002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083441124 + ... + 1083441327.

It is an arithmetic number, because the mean of its divisors is an integer number (29252913102).

Almost surely, 2^221022010002 is an apocalyptic number.

221022010002 is an abundant number, since it is smaller than the sum of its proper divisors (247024599630).

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

221022010002 is a wasteful number, since it uses less digits than its factorization.

221022010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166882473.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221022010002 its reverse (200010220122), we get a palindrome (421032230124).

It can be divided in two parts, 2210220 and 10002, that added together give a palindrome (2220222).

The spelling of 221022010002 in words is "two hundred twenty-one billion, twenty-two million, ten thousand, two".