133120313011 has 4 divisors (see below), whose sum is σ = 152137500592. Its totient is φ = 114103125432.

The previous prime is 133120313003. The next prime is 133120313021. The reversal of 133120313011 is 110313021331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110313021331 = 298157 ⋅369983.

It is a cyclic number.

It is not a de Polignac number, because 133120313011 - 2³ = 133120313003 is a prime.

It is a super-2 number, since 2×133120313011² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133120313011.

It is not an unprimeable number, because it can be changed into a prime (133120313021) 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, 9508593780 + ... + 9508593793.

It is an arithmetic number, because the mean of its divisors is an integer number (38034375148).

Almost surely, 2^133120313011 is an apocalyptic number.

133120313011 is a deficient number, since it is larger than the sum of its proper divisors (19017187581).

133120313011 is an equidigital number, since it uses as much as digits as its factorization.

133120313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19017187580.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 133120313011 its reverse (110313021331), we get a palindrome (243433334342).

The spelling of 133120313011 in words is "one hundred thirty-three billion, one hundred twenty million, three hundred thirteen thousand, eleven".