221001221211113 has 8 divisors (see below), whose sum is σ = 252636815360832. Its totient is φ = 189381624841296.

The previous prime is 221001221211077. The next prime is 221001221211137. The reversal of 221001221211113 is 311112122100122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221001221211113 - 2¹⁴ = 221001221194729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221001221211193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3999415370 + ... + 3999470627.

It is an arithmetic number, because the mean of its divisors is an integer number (31579601920104).

Almost surely, 2^{221001221211113} is an apocalyptic number.

It is an amenable number.

221001221211113 is a deficient number, since it is larger than the sum of its proper divisors (31635594149719).

221001221211113 is an equidigital number, since it uses as much as digits as its factorization.

221001221211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998889951.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 221001221211113 its reverse (311112122100122), we get a palindrome (532113343311235).

The spelling of 221001221211113 in words is "two hundred twenty-one trillion, one billion, two hundred twenty-one million, two hundred eleven thousand, one hundred thirteen".