133012221001 has 4 divisors (see below), whose sum is σ = 145104241104. Its totient is φ = 120920200900.

The previous prime is 133012220977. The next prime is 133012221029. The reversal of 133012221001 is 100122210331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133012221001 - 2¹⁷ = 133012089929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133012221091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046010035 + ... + 6046010056.

It is an arithmetic number, because the mean of its divisors is an integer number (36276060276).

Almost surely, 2^133012221001 is an apocalyptic number.

133012221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133012221001 is a deficient number, since it is larger than the sum of its proper divisors (12092020103).

133012221001 is a wasteful number, since it uses less digits than its factorization.

133012221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092020102.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 133012221001 its reverse (100122210331), we get a palindrome (233134431332).

The spelling of 133012221001 in words is "one hundred thirty-three billion, twelve million, two hundred twenty-one thousand, one".