221133010101 has 16 divisors (see below), whose sum is σ = 310376678400. Its totient is φ = 139656402288.

The previous prime is 221133010073. The next prime is 221133010121. The reversal of 221133010101 is 101010331122.

It is a happy number.

It is not a de Polignac number, because 221133010101 - 2¹³ = 221133001909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326900 + ... + 1484226.

It is an arithmetic number, because the mean of its divisors is an integer number (19398542400).

Almost surely, 2^221133010101 is an apocalyptic number.

It is an amenable number.

221133010101 is a deficient number, since it is larger than the sum of its proper divisors (89243668299).

221133010101 is a wasteful number, since it uses less digits than its factorization.

221133010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182008.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 221133010101 its reverse (101010331122), we get a palindrome (322143341223).

The spelling of 221133010101 in words is "two hundred twenty-one billion, one hundred thirty-three million, ten thousand, one hundred one".