221011212011002 has 32 divisors (see below), whose sum is σ = 388200203838720. Its totient is φ = 92389118305920.

The previous prime is 221011212010993. The next prime is 221011212011021. The reversal of 221011212011002 is 200110212110122.

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, 38459473 + ... + 43830964.

It is an arithmetic number, because the mean of its divisors is an integer number (12131256369960).

Almost surely, 2^{221011212011002} is an apocalyptic number.

221011212011002 is a deficient number, since it is larger than the sum of its proper divisors (167188991827718).

221011212011002 is a wasteful number, since it uses less digits than its factorization.

221011212011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82295166.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221011212011002 its reverse (200110212110122), we get a palindrome (421121424121124).

The spelling of 221011212011002 in words is "two hundred twenty-one trillion, eleven billion, two hundred twelve million, eleven thousand, two".