221333331133001 has 4 divisors (see below), whose sum is σ = 222925657256400. Its totient is φ = 219741005009604.

The previous prime is 221333331132983. The next prime is 221333331133003. The reversal of 221333331133001 is 100331133333122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221333331133001 - 2¹⁰ = 221333331131977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221333331133003) 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, 796163061491 + ... + 796163061768.

It is an arithmetic number, because the mean of its divisors is an integer number (55731414314100).

Almost surely, 2^{221333331133001} is an apocalyptic number.

It is an amenable number.

221333331133001 is a deficient number, since it is larger than the sum of its proper divisors (1592326123399).

221333331133001 is a wasteful number, since it uses less digits than its factorization.

221333331133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592326123398.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 221333331133001 its reverse (100331133333122), we get a palindrome (321664464466123).

The spelling of 221333331133001 in words is "two hundred twenty-one trillion, three hundred thirty-three billion, three hundred thirty-one million, one hundred thirty-three thousand, one".