221102120112193 has 32 divisors (see below), whose sum is σ = 232381802644992. Its totient is φ = 210154567392000.

The previous prime is 221102120112163. The next prime is 221102120112199. The reversal of 221102120112193 is 391211021201122.

It is a cyclic number.

It is not a de Polignac number, because 221102120112193 - 2²⁹ = 221101583241281 is a prime.

It is a super-2 number, since 2×221102120112193² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221102120112199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865891655 + ... + 1866010147.

It is an arithmetic number, because the mean of its divisors is an integer number (7261931332656).

Almost surely, 2^{221102120112193} is an apocalyptic number.

It is an amenable number.

221102120112193 is a deficient number, since it is larger than the sum of its proper divisors (11279682532799).

221102120112193 is a wasteful number, since it uses less digits than its factorization.

221102120112193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123865.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 221102120112193 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twenty million, one hundred twelve thousand, one hundred ninety-three".