221211601010133 has 8 divisors (see below), whose sum is σ = 295580383364448. Its totient is φ = 147158609664624.

The previous prime is 221211601010119. The next prime is 221211601010137. The reversal of 221211601010133 is 331010106112122.

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

It is not a de Polignac number, because 221211601010133 - 2²⁸ = 221211332574677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221211601010137) 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, 78947750566 + ... + 78947753367.

It is an arithmetic number, because the mean of its divisors is an integer number (36947547920556).

Almost surely, 2^{221211601010133} is an apocalyptic number.

It is an amenable number.

221211601010133 is a deficient number, since it is larger than the sum of its proper divisors (74368782354315).

221211601010133 is a wasteful number, since it uses less digits than its factorization.

221211601010133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157895504403.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 221211601010133 its reverse (331010106112122), we get a palindrome (552221707122255).

The spelling of 221211601010133 in words is "two hundred twenty-one trillion, two hundred eleven billion, six hundred one million, ten thousand, one hundred thirty-three".