221111010002 has 16 divisors (see below), whose sum is σ = 346103936640. Its totient is φ = 105743507232.

The previous prime is 221111009971. The next prime is 221111010079. The reversal of 221111010002 is 200010111122.

221111010002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 916958 + ... + 1132710.

It is an arithmetic number, because the mean of its divisors is an integer number (21631496040).

Almost surely, 2^221111010002 is an apocalyptic number.

221111010002 is a deficient number, since it is larger than the sum of its proper divisors (124992926638).

221111010002 is a wasteful number, since it uses less digits than its factorization.

221111010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238057.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221111010002 its reverse (200010111122), we get a palindrome (421121121124).

The spelling of 221111010002 in words is "two hundred twenty-one billion, one hundred eleven million, ten thousand, two".