221111111096 has 32 divisors (see below), whose sum is σ = 420236544000. Its totient is φ = 109050735456.

The previous prime is 221111111063. The next prime is 221111111101. The reversal of 221111111096 is 690111111122.

It is a super-3 number, since 3×221111111096³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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, 488285 + ... + 825011.

It is an arithmetic number, because the mean of its divisors is an integer number (13132392000).

Almost surely, 2^221111111096 is an apocalyptic number.

It is an amenable number.

221111111096 is a deficient number, since it is larger than the sum of its proper divisors (199125432904).

221111111096 is a wasteful number, since it uses less digits than its factorization.

221111111096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337851 (or 337847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 26.

Adding to 221111111096 its sum of digits (26), we get a palindrome (221111111122).

The spelling of 221111111096 in words is "two hundred twenty-one billion, one hundred eleven million, one hundred eleven thousand, ninety-six".