133021333111111 has 24 divisors (see below), whose sum is σ = 136543675425360. Its totient is φ = 129587447638656.

The previous prime is 133021333111109. The next prime is 133021333111157. The reversal of 133021333111111 is 111111333120331.

It is not a de Polignac number, because 133021333111111 - 2¹ = 133021333111109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133021333111811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5727001480 + ... + 5727024706.

It is an arithmetic number, because the mean of its divisors is an integer number (5689319809390).

Almost surely, 2^{133021333111111} is an apocalyptic number.

133021333111111 is a deficient number, since it is larger than the sum of its proper divisors (3522342314249).

133021333111111 is an equidigital number, since it uses as much as digits as its factorization.

133021333111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31295 (or 31252 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 133021333111111 its reverse (111111333120331), we get a palindrome (244132666231442).

The spelling of 133021333111111 in words is "one hundred thirty-three trillion, twenty-one billion, three hundred thirty-three million, one hundred eleven thousand, one hundred eleven".