221002212001002 has 16 divisors (see below), whose sum is σ = 468004684237632. Its totient is φ = 69334027294400.

The previous prime is 221002212000919. The next prime is 221002212001049. The reversal of 221002212001002 is 200100212200122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1083344176374 + ... + 1083344176577.

It is an arithmetic number, because the mean of its divisors is an integer number (29250292764852).

Almost surely, 2^{221002212001002} is an apocalyptic number.

221002212001002 is an abundant number, since it is smaller than the sum of its proper divisors (247002472236630).

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

221002212001002 is a wasteful number, since it uses less digits than its factorization.

221002212001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166688352973.

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

Adding to 221002212001002 its reverse (200100212200122), we get a palindrome (421102424201124).

The spelling of 221002212001002 in words is "two hundred twenty-one trillion, two billion, two hundred twelve million, one thousand, two".