221112210002201 has 32 divisors (see below), whose sum is σ = 263025667086336. Its totient is φ = 181946667600000.

The previous prime is 221112210002147. The next prime is 221112210002207. The reversal of 221112210002201 is 102200012211122.

It is a de Polignac number, because none of the positive numbers 2^k-221112210002201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221112210002201.

It is not an unprimeable number, because it can be changed into a prime (221112210002207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12511445 + ... + 24469586.

It is an arithmetic number, because the mean of its divisors is an integer number (8219552096448).

Almost surely, 2^{221112210002201} is an apocalyptic number.

It is an amenable number.

221112210002201 is a deficient number, since it is larger than the sum of its proper divisors (41913457084135).

221112210002201 is a wasteful number, since it uses less digits than its factorization.

221112210002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36981413.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221112210002201 its reverse (102200012211122), we get a palindrome (323312222213323).

The spelling of 221112210002201 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred ten million, two thousand, two hundred one".