133121011201 has 2 divisors, whose sum is σ = 133121011202. Its totient is φ = 133121011200.

The previous prime is 133121011169. The next prime is 133121011273. The reversal of 133121011201 is 102110121331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117459740176 + 15661271025 = 342724^2 + 125145^2 .

It is a cyclic number.

It is not a de Polignac number, because 133121011201 - 2⁵ = 133121011169 is a prime.

It is not a weakly prime, because it can be changed into another prime (133121011601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560505600 + 66560505601.

It is an arithmetic number, because the mean of its divisors is an integer number (66560505601).

Almost surely, 2^133121011201 is an apocalyptic number.

It is an amenable number.

133121011201 is a deficient number, since it is larger than the sum of its proper divisors (1).

133121011201 is an equidigital number, since it uses as much as digits as its factorization.

133121011201 is an evil number, because the sum of its binary digits is even.

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

Adding to 133121011201 its reverse (102110121331), we get a palindrome (235231132532).

The spelling of 133121011201 in words is "one hundred thirty-three billion, one hundred twenty-one million, eleven thousand, two hundred one".