221100000121196 has 12 divisors (see below), whose sum is σ = 442200000242448. Its totient is φ = 94757142909072.

The previous prime is 221100000121159. The next prime is 221100000121219. The reversal of 221100000121196 is 691121000001122.

221100000121196 is an admirable number.

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, 3948214287851 + ... + 3948214287906.

It is an arithmetic number, because the mean of its divisors is an integer number (36850000020204).

Almost surely, 2^{221100000121196} is an apocalyptic number.

It is an amenable number.

221100000121196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221100000121196 is a wasteful number, since it uses less digits than its factorization.

221100000121196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896428575768 (or 7896428575766 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 221100000121196 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twenty-one thousand, one hundred ninety-six".