221002202010004 has 12 divisors (see below), whose sum is σ = 388697340220000. Its totient is φ = 109945819090008.

The previous prime is 221002202009977. The next prime is 221002202010077. The reversal of 221002202010004 is 400010202200122.

It is a self number, because there is not a number n which added to its sum of digits gives 221002202010004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138820477854 + ... + 138820479445.

Almost surely, 2^{221002202010004} is an apocalyptic number.

It is an amenable number.

221002202010004 is a deficient number, since it is larger than the sum of its proper divisors (167695138209996).

221002202010004 is a wasteful number, since it uses less digits than its factorization.

221002202010004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277640957502 (or 277640957500 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221002202010004 its reverse (400010202200122), we get a palindrome (621012404210126).

The spelling of 221002202010004 in words is "two hundred twenty-one trillion, two billion, two hundred two million, ten thousand, four".