221030013112291 has 4 divisors (see below), whose sum is σ = 228651737702400. Its totient is φ = 213408288522184.

The previous prime is 221030013112219. The next prime is 221030013112301. The reversal of 221030013112291 is 192211310030122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221030013112291 - 2³³ = 221021423177699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221030013112211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810862295011 + ... + 3810862295068.

It is an arithmetic number, because the mean of its divisors is an integer number (57162934425600).

Almost surely, 2^{221030013112291} is an apocalyptic number.

221030013112291 is a deficient number, since it is larger than the sum of its proper divisors (7621724590109).

221030013112291 is an equidigital number, since it uses as much as digits as its factorization.

221030013112291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621724590108.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 221030013112291 in words is "two hundred twenty-one trillion, thirty billion, thirteen million, one hundred twelve thousand, two hundred ninety-one".