133100221111 has 8 divisors (see below), whose sum is σ = 156369490704. Its totient is φ = 111692493120.

The previous prime is 133100221103. The next prime is 133100221127. The reversal of 133100221111 is 111122001331.

It is a happy number.

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

It is not a de Polignac number, because 133100221111 - 2³ = 133100221103 is a prime.

It is a super-4 number, since 4×133100221111⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133100221411) 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 7 ways as a sum of consecutive naturals, for example, 465385246 + ... + 465385531.

It is an arithmetic number, because the mean of its divisors is an integer number (19546186338).

Almost surely, 2^133100221111 is an apocalyptic number.

133100221111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133100221111 is a deficient number, since it is larger than the sum of its proper divisors (23269269593).

133100221111 is a wasteful number, since it uses less digits than its factorization.

133100221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930770801.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 133100221111 its reverse (111122001331), we get a palindrome (244222222442).

The spelling of 133100221111 in words is "one hundred thirty-three billion, one hundred million, two hundred twenty-one thousand, one hundred eleven".