133121100211 has 8 divisors (see below), whose sum is σ = 146854738800. Its totient is φ = 119659415040.

The previous prime is 133121100193. The next prime is 133121100293. The reversal of 133121100211 is 112001121331.

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 133121100211 - 2⁵ = 133121100179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133121100911) 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, 67987326 + ... + 67989283.

It is an arithmetic number, because the mean of its divisors is an integer number (18356842350).

Almost surely, 2^133121100211 is an apocalyptic number.

133121100211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133121100211 is a deficient number, since it is larger than the sum of its proper divisors (13733638589).

133121100211 is a wasteful number, since it uses less digits than its factorization.

133121100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135976709.

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

Adding to 133121100211 its reverse (112001121331), we get a palindrome (245122221542).

It can be divided in two parts, 133121 and 100211, that added together give a palindrome (233332).

The spelling of 133121100211 in words is "one hundred thirty-three billion, one hundred twenty-one million, one hundred thousand, two hundred eleven".