221111012002 has 8 divisors (see below), whose sum is σ = 331700147712. Its totient is φ = 110544296100.

The previous prime is 221111011991. The next prime is 221111012027. The reversal of 221111012002 is 200210111122.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5580274 + ... + 5619757.

It is an arithmetic number, because the mean of its divisors is an integer number (41462518464).

Almost surely, 2^221111012002 is an apocalyptic number.

221111012002 is a deficient number, since it is larger than the sum of its proper divisors (110589135710).

221111012002 is a wasteful number, since it uses less digits than its factorization.

221111012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209904.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221111012002 its reverse (200210111122), we get a palindrome (421321123124).

The spelling of 221111012002 in words is "two hundred twenty-one billion, one hundred eleven million, twelve thousand, two".