221132100131 has 8 divisors (see below), whose sum is σ = 221484294000. Its totient is φ = 220779983008.

The previous prime is 221132100121. The next prime is 221132100199. The reversal of 221132100131 is 131001231122.

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 221132100131 - 2¹⁰ = 221132099107 is a prime.

It is a super-3 number, since 3×221132100131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221132100121) 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, 9126725 + ... + 9150921.

It is an arithmetic number, because the mean of its divisors is an integer number (27685536750).

Almost surely, 2^221132100131 is an apocalyptic number.

221132100131 is a deficient number, since it is larger than the sum of its proper divisors (352193869).

221132100131 is a wasteful number, since it uses less digits than its factorization.

221132100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38373.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 221132100131 its reverse (131001231122), we get a palindrome (352133331253).

The spelling of 221132100131 in words is "two hundred twenty-one billion, one hundred thirty-two million, one hundred thousand, one hundred thirty-one".