221323134101 has 8 divisors (see below), whose sum is σ = 222002213184. Its totient is φ = 220644350080.

The previous prime is 221323134089. The next prime is 221323134107. The reversal of 221323134101 is 101431323122.

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 221323134101 - 2²² = 221318939797 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 (221323134107) 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, 1478630 + ... + 1621416.

It is an arithmetic number, because the mean of its divisors is an integer number (27750276648).

Almost surely, 2^221323134101 is an apocalyptic number.

It is an amenable number.

221323134101 is a deficient number, since it is larger than the sum of its proper divisors (679079083).

221323134101 is a wasteful number, since it uses less digits than its factorization.

221323134101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147531.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221323134101 its reverse (101431323122), we get a palindrome (322754457223).

The spelling of 221323134101 in words is "two hundred twenty-one billion, three hundred twenty-three million, one hundred thirty-four thousand, one hundred one".