133011123001 has 2 divisors, whose sum is σ = 133011123002. Its totient is φ = 133011123000.

The previous prime is 133011122899. The next prime is 133011123031. The reversal of 133011123001 is 100321110331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123147653776 + 9863469225 = 350924^2 + 99315^2 .

It is a cyclic number.

It is not a de Polignac number, because 133011123001 - 2²⁵ = 132977568569 is a prime.

It is not a weakly prime, because it can be changed into another prime (133011123031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66505561500 + 66505561501.

It is an arithmetic number, because the mean of its divisors is an integer number (66505561501).

Almost surely, 2^133011123001 is an apocalyptic number.

It is an amenable number.

133011123001 is a deficient number, since it is larger than the sum of its proper divisors (1).

133011123001 is an equidigital number, since it uses as much as digits as its factorization.

133011123001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 133011123001 its reverse (100321110331), we get a palindrome (233332233332).

The spelling of 133011123001 in words is "one hundred thirty-three billion, eleven million, one hundred twenty-three thousand, one".