133331220011 has 4 divisors (see below), whose sum is σ = 145452240024. Its totient is φ = 121210200000.

The previous prime is 133331219981. The next prime is 133331220059. The reversal of 133331220011 is 110022133331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133331220011 - 2⁶ = 133331219947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133331220811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060509990 + ... + 6060510011.

It is an arithmetic number, because the mean of its divisors is an integer number (36363060006).

Almost surely, 2^133331220011 is an apocalyptic number.

133331220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133331220011 is a deficient number, since it is larger than the sum of its proper divisors (12121020013).

133331220011 is a wasteful number, since it uses less digits than its factorization.

133331220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121020012.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133331220011 its reverse (110022133331), we get a palindrome (243353353342).

The spelling of 133331220011 in words is "one hundred thirty-three billion, three hundred thirty-one million, two hundred twenty thousand, eleven".