221001333101213 has 8 divisors (see below), whose sum is σ = 252666255776832. Its totient is φ = 189359736340896.

The previous prime is 221001333101201. The next prime is 221001333101221. The reversal of 221001333101213 is 312101333100122.

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 221001333101213 - 2¹⁶ = 221001333035677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221001333101233) 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, 5831458520 + ... + 5831496417.

It is an arithmetic number, because the mean of its divisors is an integer number (31583281972104).

Almost surely, 2^{221001333101213} is an apocalyptic number.

It is an amenable number.

221001333101213 is a deficient number, since it is larger than the sum of its proper divisors (31664922675619).

221001333101213 is a wasteful number, since it uses less digits than its factorization.

221001333101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11662957651.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 221001333101213 its reverse (312101333100122), we get a palindrome (533102666201335).

The spelling of 221001333101213 in words is "two hundred twenty-one trillion, one billion, three hundred thirty-three million, one hundred one thousand, two hundred thirteen".